12856068 has 36 divisors (see below), whose sum is σ = 32693388. Its totient is φ = 4259520.

The previous prime is 12856037. The next prime is 12856069. The reversal of 12856068 is 86065821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 11778624 = 1038^2 + 3432^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12856069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5530 + ... + 7502.

Almost surely, 2^12856068 is an apocalyptic number.

12856068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12856068 is an abundant number, since it is smaller than the sum of its proper divisors (19837320).

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

12856068 is a wasteful number, since it uses less digits than its factorization.

12856068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 12856068 is about 3585.5359432029. The cubic root of 12856068 is about 234.2624712077.

The spelling of 12856068 in words is "twelve million, eight hundred fifty-six thousand, sixty-eight".