12686064 has 40 divisors (see below), whose sum is σ = 34200192. Its totient is φ = 4044480.

The previous prime is 12686059. The next prime is 12686081. The reversal of 12686064 is 46068621.

It is a happy number.

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, 4642 + ... + 6849.

Almost surely, 2^12686064 is an apocalyptic number.

It is an amenable number.

12686064 is an abundant number, since it is smaller than the sum of its proper divisors (21514128).

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

12686064 is a wasteful number, since it uses less digits than its factorization.

12686064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11525 (or 11519 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 12686064 is about 3561.7501316067. The cubic root of 12686064 is about 233.2252851219.

The spelling of 12686064 in words is "twelve million, six hundred eighty-six thousand, sixty-four".