12637768 has 32 divisors (see below), whose sum is σ = 27840960. Its totient is φ = 5302080.

The previous prime is 12637763. The next prime is 12637789. The reversal of 12637768 is 86773621.

It is a self number, because there is not a number n which added to its sum of digits gives 12637768.

It is not an unprimeable number, because it can be changed into a prime (12637763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4380 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (870030).

Almost surely, 2^12637768 is an apocalyptic number.

It is an amenable number.

12637768 is an abundant number, since it is smaller than the sum of its proper divisors (15203192).

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

12637768 is a wasteful number, since it uses less digits than its factorization.

12637768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077 (or 11073 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 12637768 is about 3554.9638535434. The cubic root of 12637768 is about 232.9289449135.

The spelling of 12637768 in words is "twelve million, six hundred thirty-seven thousand, seven hundred sixty-eight".