12,547,565

5 × 2509513

12,547,565 factors as 5 × 2509513. Its 4 positive divisors give a proper-divisor sum of 2,509,519, so this integer is deficient. The Collatz stopping time is 197 steps.

Prime Factor Structure

Factorization String 5 × 2509513

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 15,057,084

Proper Divisor Sum 2,509,519

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #12547531 ← → #12547603

Radix Representation

Decimal	12547565
Binary	101111110111010111101101 (24 bits)
Octal	0o57672755
Hexadecimal	0xBF75ED

Divisor Catalog (4)

1 5 2,509,513 12,547,565

Collatz Trajectory (197 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

12,547,565 37,642,696 18,821,348 9,410,674 4,705,337 14,116,012 7,058,006 3,529,003 10,587,010 5,293,505 15,880,516 7,940,258 3,970,129 11,910,388 5,955,194 2,977,597 8,932,792 4,466,396 2,233,198 1,116,599 3,349,798 1,674,899 5,024,698 2,512,349 7,537,048 3,768,524 1,884,262 942,131 2,826,394 1,413,197 4,239,592 2,119,796 1,059,898 529,949 1,589,848 794,924 397,462 198,731 596,194 298,097 894,292 447,146 223,573 670,720 335,360 167,680 83,840 41,920 20,960 10,480 5,240 2,620 1,310 655 1,966 983 2,950 1,475 4,426 2,213

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