12856036 has 12 divisors (see below), whose sum is σ = 22769712. Its totient is φ = 6350408.

The previous prime is 12856033. The next prime is 12856037. The reversal of 12856036 is 63065821.

It is a junction number, because it is equal to n+sod(n) for n = 12855989 and 12856007.

It is not an unprimeable number, because it can be changed into a prime (12856033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19030 + ... + 19693.

It is an arithmetic number, because the mean of its divisors is an integer number (1897476).

Almost surely, 2^12856036 is an apocalyptic number.

It is an amenable number.

12856036 is a deficient number, since it is larger than the sum of its proper divisors (9913676).

12856036 is a wasteful number, since it uses less digits than its factorization.

12856036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38810 (or 38808 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 12856036 is about 3585.5314808268. The cubic root of 12856036 is about 234.2622768402.

The spelling of 12856036 in words is "twelve million, eight hundred fifty-six thousand, thirty-six".