12856697 has 16 divisors (see below), whose sum is σ = 15144960. Its totient is φ = 10687248.

The previous prime is 12856693. The next prime is 12856703. The reversal of 12856697 is 79665821.

12856697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12856697 - 2² = 12856693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12856691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36878 + ... + 37224.

It is an arithmetic number, because the mean of its divisors is an integer number (946560).

Almost surely, 2^12856697 is an apocalyptic number.

It is an amenable number.

12856697 is a deficient number, since it is larger than the sum of its proper divisors (2288263).

12856697 is an equidigital number, since it uses as much as digits as its factorization.

12856697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its digits is 181440, while the sum is 44.

The square root of 12856697 is about 3585.6236556560. The cubic root of 12856697 is about 234.2662916783.

The spelling of 12856697 in words is "twelve million, eight hundred fifty-six thousand, six hundred ninety-seven".