12856942 has 8 divisors (see below), whose sum is σ = 22040496. Its totient is φ = 5510112.

The previous prime is 12856933. The next prime is 12856969. The reversal of 12856942 is 24965821.

12856942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459163 + ... + 459190.

It is an arithmetic number, because the mean of its divisors is an integer number (2755062).

Almost surely, 2^12856942 is an apocalyptic number.

12856942 is a deficient number, since it is larger than the sum of its proper divisors (9183554).

12856942 is an equidigital number, since it uses as much as digits as its factorization.

12856942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918362.

The product of its digits is 34560, while the sum is 37.

The square root of 12856942 is about 3585.6578197034. The cubic root of 12856942 is about 234.2677797452.

The spelling of 12856942 in words is "twelve million, eight hundred fifty-six thousand, nine hundred forty-two".