12663776 has 24 divisors (see below), whose sum is σ = 26399520. Its totient is φ = 5959168.

The previous prime is 12663769. The next prime is 12663787. The reversal of 12663776 is 67736621.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11096 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (1099980).

Almost surely, 2^12663776 is an apocalyptic number.

12663776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12663776 is an abundant number, since it is smaller than the sum of its proper divisors (13735744).

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

12663776 is a wasteful number, since it uses less digits than its factorization.

12663776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23306 (or 23298 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 12663776 is about 3558.6199572306. The cubic root of 12663776 is about 233.0886214489.

The spelling of 12663776 in words is "twelve million, six hundred sixty-three thousand, seven hundred seventy-six".