12685900 has 18 divisors (see below), whose sum is σ = 27528620. Its totient is φ = 5074320.

The previous prime is 12685891. The next prime is 12685919. The reversal of 12685900 is 958621.

It is a super-3 number, since 3×12685900³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63330 + ... + 63529.

Almost surely, 2^12685900 is an apocalyptic number.

12685900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12685900 is an abundant number, since it is smaller than the sum of its proper divisors (14842720).

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

12685900 is a wasteful number, since it uses less digits than its factorization.

12685900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126873 (or 126866 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 12685900 is about 3561.7271091424. The cubic root of 12685900 is about 233.2242801054.

The spelling of 12685900 in words is "twelve million, six hundred eighty-five thousand, nine hundred".