12960965280 has 96 divisors (see below), whose sum is σ = 40855679424. Its totient is φ = 3453833216.

The previous prime is 12960965279. The next prime is 12960965309. The reversal of 12960965280 is 8256906921.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736747 + ... + 754133.

It is an arithmetic number, because the mean of its divisors is an integer number (425579994).

Almost surely, 2^12960965280 is an apocalyptic number.

12960965280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12960965280 is an abundant number, since it is smaller than the sum of its proper divisors (27894714144).

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

12960965280 is a wasteful number, since it uses less digits than its factorization.

12960965280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18958 (or 18950 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 12960965280 in words is "twelve billion, nine hundred sixty million, nine hundred sixty-five thousand, two hundred eighty".