12663908 has 12 divisors (see below), whose sum is σ = 22188012. Its totient is φ = 6324480.

The previous prime is 12663883. The next prime is 12663913. The reversal of 12663908 is 80936621.

It can be written as a sum of positive squares in 2 ways, for example, as 7963684 + 4700224 = 2822^2 + 2168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (1849001).

Almost surely, 2^12663908 is an apocalyptic number.

It is an amenable number.

12663908 is a deficient number, since it is larger than the sum of its proper divisors (9524104).

12663908 is a wasteful number, since it uses less digits than its factorization.

12663908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742 (or 3740 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 12663908 is about 3558.6385036977. The cubic root of 12663908 is about 233.0894313072.

The spelling of 12663908 in words is "twelve million, six hundred sixty-three thousand, nine hundred eight".