12806684 has 24 divisors (see below), whose sum is σ = 25737600. Its totient is φ = 5514480.

The previous prime is 12806683. The next prime is 12806707. The reversal of 12806684 is 48660821.

It is a super-2 number, since 2×12806684² = 328022310151712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12806683) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6824 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (1072400).

Almost surely, 2^12806684 is an apocalyptic number.

It is an amenable number.

12806684 is an abundant number, since it is smaller than the sum of its proper divisors (12930916).

12806684 is a wasteful number, since it uses less digits than its factorization.

12806684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353 (or 15351 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 12806684 is about 3578.6427594830. The cubic root of 12806684 is about 233.9621289188.

The spelling of 12806684 in words is "twelve million, eight hundred six thousand, six hundred eighty-four".