12555868 has 24 divisors (see below), whose sum is σ = 24429440. Its totient is φ = 5607360.

The previous prime is 12555863. The next prime is 12555931. The reversal of 12555868 is 86855521.

It is a self number, because there is not a number n which added to its sum of digits gives 12555868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12555863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2283 + ... + 5506.

Almost surely, 2^12555868 is an apocalyptic number.

It is an amenable number.

12555868 is a deficient number, since it is larger than the sum of its proper divisors (11873572).

12555868 is a wasteful number, since it uses less digits than its factorization.

12555868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837 (or 7835 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 12555868 is about 3543.4260257553. The cubic root of 12555868 is about 232.4246828920.

The spelling of 12555868 in words is "twelve million, five hundred fifty-five thousand, eight hundred sixty-eight".