12663602907 has 16 divisors (see below), whose sum is σ = 17257459968. Its totient is φ = 8258088800.

The previous prime is 12663602839. The next prime is 12663602929. The reversal of 12663602907 is 70920636621.

It is a cyclic number.

It is not a de Polignac number, because 12663602907 - 2²⁷ = 12529385179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12663602807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226623 + ... + 276920.

It is an arithmetic number, because the mean of its divisors is an integer number (1078591248).

Almost surely, 2^12663602907 is an apocalyptic number.

12663602907 is a deficient number, since it is larger than the sum of its proper divisors (4593857061).

12663602907 is a wasteful number, since it uses less digits than its factorization.

12663602907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503730.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 12663602907 in words is "twelve billion, six hundred sixty-three million, six hundred two thousand, nine hundred seven".