12689364 has 24 divisors (see below), whose sum is σ = 29767360. Its totient is φ = 4207104.

The previous prime is 12689363. The next prime is 12689381. The reversal of 12689364 is 46398621.

It is a super-2 number, since 2×12689364² = 322039917448992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12689363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424 + ... + 5055.

Almost surely, 2^12689364 is an apocalyptic number.

It is an amenable number.

12689364 is an abundant number, since it is smaller than the sum of its proper divisors (17077996).

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

12689364 is a wasteful number, since it uses less digits than its factorization.

12689364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679 (or 5677 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 12689364 is about 3562.2133568892. The cubic root of 12689364 is about 233.2455061748.

The spelling of 12689364 in words is "twelve million, six hundred eighty-nine thousand, three hundred sixty-four".