12959680 has 28 divisors (see below), whose sum is σ = 30861000. Its totient is φ = 5183744.

The previous prime is 12959677. The next prime is 12959753. The reversal of 12959680 is 8695921.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19930 + ... + 20569.

Almost surely, 2^12959680 is an apocalyptic number.

12959680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12959680 is an abundant number, since it is smaller than the sum of its proper divisors (17901320).

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

12959680 is an equidigital number, since it uses as much as digits as its factorization.

12959680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40516 (or 40506 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 12959680 is about 3599.9555552812. The cubic root of 12959680 is about 234.8901251862.

The spelling of 12959680 in words is "twelve million, nine hundred fifty-nine thousand, six hundred eighty".