12856118 has 16 divisors (see below), whose sum is σ = 21116160. Its totient is φ = 5821800.

The previous prime is 12856099. The next prime is 12856133. The reversal of 12856118 is 81165821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5903 + ... + 7781.

It is an arithmetic number, because the mean of its divisors is an integer number (1319760).

Almost surely, 2^12856118 is an apocalyptic number.

12856118 is a deficient number, since it is larger than the sum of its proper divisors (8260042).

12856118 is a wasteful number, since it uses less digits than its factorization.

12856118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its digits is 3840, while the sum is 32.

The square root of 12856118 is about 3585.5429156545. The cubic root of 12856118 is about 234.2627749062.

The spelling of 12856118 in words is "twelve million, eight hundred fifty-six thousand, one hundred eighteen".