12665682304 has 32 divisors (see below), whose sum is σ = 27526272840. Its totient is φ = 5757127680.

The previous prime is 12665682301. The next prime is 12665682311. The reversal of 12665682304 is 40328656621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12665682301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4496349 + ... + 4499164.

Almost surely, 2^12665682304 is an apocalyptic number.

It is an amenable number.

12665682304 is an abundant number, since it is smaller than the sum of its proper divisors (14860590536).

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

12665682304 is an equidigital number, since it uses as much as digits as its factorization.

12665682304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995538 (or 8995526 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 12665682304 in words is "twelve billion, six hundred sixty-five million, six hundred eighty-two thousand, three hundred four".