12766626 has 32 divisors (see below), whose sum is σ = 30041280. Its totient is φ = 4004928.

The previous prime is 12766603. The next prime is 12766639. The reversal of 12766626 is 62666721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6036 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (938790).

Almost surely, 2^12766626 is an apocalyptic number.

12766626 is an abundant number, since it is smaller than the sum of its proper divisors (17274654).

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

12766626 is a wasteful number, since it uses less digits than its factorization.

12766626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13935 (or 13929 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12766626 is about 3573.0415614711. The cubic root of 12766626 is about 233.7179375891.

The spelling of 12766626 in words is "twelve million, seven hundred sixty-six thousand, six hundred twenty-six".