12857936 has 40 divisors (see below), whose sum is σ = 30664704. Its totient is φ = 5086080.

The previous prime is 12857909. The next prime is 12857941. The reversal of 12857936 is 63975821.

It is a junction number, because it is equal to n+sod(n) for n = 12857893 and 12857902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2960 + ... + 5871.

Almost surely, 2^12857936 is an apocalyptic number.

12857936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12857936 is an abundant number, since it is smaller than the sum of its proper divisors (17806768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12857936 is a wasteful number, since it uses less digits than its factorization.

12857936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859 (or 8853 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 12857936 is about 3585.7964247849. The cubic root of 12857936 is about 234.2738168514.

The spelling of 12857936 in words is "twelve million, eight hundred fifty-seven thousand, nine hundred thirty-six".