12636694 has 16 divisors (see below), whose sum is σ = 21732768. Its totient is φ = 5398272.

The previous prime is 12636641. The next prime is 12636703. The reversal of 12636694 is 49663621.

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, 3664 + ... + 6220.

It is an arithmetic number, because the mean of its divisors is an integer number (1358298).

Almost surely, 2^12636694 is an apocalyptic number.

12636694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12636694 is a deficient number, since it is larger than the sum of its proper divisors (9096074).

12636694 is a wasteful number, since it uses less digits than its factorization.

12636694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919.

The product of its digits is 46656, while the sum is 37.

The square root of 12636694 is about 3554.8127939457. The cubic root of 12636694 is about 232.9223463651.

The spelling of 12636694 in words is "twelve million, six hundred thirty-six thousand, six hundred ninety-four".