12604988665 has 8 divisors (see below), whose sum is σ = 15175258560. Its totient is φ = 10051142832.

The previous prime is 12604988603. The next prime is 12604988681. The reversal of 12604988665 is 56688940621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12604988665 - 2¹⁷ = 12604857593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4104325 + ... + 4107394.

It is an arithmetic number, because the mean of its divisors is an integer number (1896907320).

Almost surely, 2^12604988665 is an apocalyptic number.

It is an amenable number.

12604988665 is a deficient number, since it is larger than the sum of its proper divisors (2570269895).

12604988665 is an equidigital number, since it uses as much as digits as its factorization.

12604988665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212031.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 12604988665 in words is "twelve billion, six hundred four million, nine hundred eighty-eight thousand, six hundred sixty-five".