λ
Ratio Atlas

12,876,309

32 × 439 × 3259
Deficient Odd Composite

12,876,309 factors as 3^2 × 439 × 3259. Its 12 positive divisors give a proper-divisor sum of 5,770,891, so this integer is deficient. The Collatz stopping time is 47 steps.

Prime Factor Structure

Factorization String 3^2 × 439 × 3259
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 18,647,200
Proper Divisor Sum 5,770,891
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #12876301 ← → #12876313

Radix Representation

Decimal 12876309
Binary 110001000111101000010101 (24 bits)
Octal 0o61075025
Hexadecimal 0xC47A15

Divisor Catalog (12)

Collatz Trajectory (47 steps to reach 1)

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

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