12686812 has 24 divisors (see below), whose sum is σ = 23167872. Its totient is φ = 6072000.

The previous prime is 12686809. The next prime is 12686827. The reversal of 12686812 is 21868621.

12686812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12018 + ... + 13030.

It is an arithmetic number, because the mean of its divisors is an integer number (965328).

Almost surely, 2^12686812 is an apocalyptic number.

It is an amenable number.

12686812 is a deficient number, since it is larger than the sum of its proper divisors (10481060).

12686812 is a wasteful number, since it uses less digits than its factorization.

12686812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1147 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 12686812 is about 3561.8551346174. The cubic root of 12686812 is about 233.2298688679.

The spelling of 12686812 in words is "twelve million, six hundred eighty-six thousand, eight hundred twelve".