12637696 has 20 divisors (see below), whose sum is σ = 25251732. Its totient is φ = 6318592.

The previous prime is 12637693. The next prime is 12637697. The reversal of 12637696 is 69673621.

It is a super-2 number, since 2×12637696² = 319422720376832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11830 + ... + 12853.

Almost surely, 2^12637696 is an apocalyptic number.

12637696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12637696 is a deficient number, since it is larger than the sum of its proper divisors (12614036).

12637696 is an frugal number, since it uses more digits than its factorization.

12637696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24701 (or 24685 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 12637696 is about 3554.9537268437. The cubic root of 12637696 is about 232.9285025644.

The spelling of 12637696 in words is "twelve million, six hundred thirty-seven thousand, six hundred ninety-six".