12636896 has 24 divisors (see below), whose sum is σ = 25351704. Its totient is φ = 6198400.

The previous prime is 12636893. The next prime is 12636931. The reversal of 12636896 is 69863621.

It is a super-2 number, since 2×12636896² = 319382281029632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 5421.

It is an arithmetic number, because the mean of its divisors is an integer number (1056321).

Almost surely, 2^12636896 is an apocalyptic number.

12636896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12636896 is an abundant number, since it is smaller than the sum of its proper divisors (12714808).

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

12636896 is an equidigital number, since it uses as much as digits as its factorization.

12636896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514 (or 7506 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 12636896 is about 3554.8412060175. The cubic root of 12636896 is about 232.9235874614.

The spelling of 12636896 in words is "twelve million, six hundred thirty-six thousand, eight hundred ninety-six".