12856902 has 16 divisors (see below), whose sum is σ = 25903152. Its totient is φ = 4254080.

The previous prime is 12856891. The next prime is 12856933. The reversal of 12856902 is 20965821.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 6999 + ... + 8642.

It is an arithmetic number, because the mean of its divisors is an integer number (1618947).

Almost surely, 2^12856902 is an apocalyptic number.

12856902 is an abundant number, since it is smaller than the sum of its proper divisors (13046250).

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

12856902 is a wasteful number, since it uses less digits than its factorization.

12856902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15783.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 12856902 is about 3585.6522419220. The cubic root of 12856902 is about 234.2675367968.

The spelling of 12856902 in words is "twelve million, eight hundred fifty-six thousand, nine hundred two".