12959616 has 32 divisors (see below), whose sum is σ = 34425000. Its totient is φ = 4319744.

The previous prime is 12959599. The next prime is 12959621. The reversal of 12959616 is 61695921.

12959616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 16491 + ... + 17258.

Almost surely, 2^12959616 is an apocalyptic number.

12959616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12959616 is an abundant number, since it is smaller than the sum of its proper divisors (21465384).

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

12959616 is an equidigital number, since it uses as much as digits as its factorization.

12959616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33766 (or 33754 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 12959616 is about 3599.9466662716. The cubic root of 12959616 is about 234.8897385257.

The spelling of 12959616 in words is "twelve million, nine hundred fifty-nine thousand, six hundred sixteen".