12960880 has 20 divisors (see below), whose sum is σ = 30134232. Its totient is φ = 5184320.

The previous prime is 12960877. The next prime is 12960881. The reversal of 12960880 is 8806921.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12960881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80926 + ... + 81085.

Almost surely, 2^12960880 is an apocalyptic number.

12960880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12960880 is an abundant number, since it is smaller than the sum of its proper divisors (17173352).

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

12960880 is a wasteful number, since it uses less digits than its factorization.

12960880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162024 (or 162018 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 12960880 is about 3600.1222201475. The cubic root of 12960880 is about 234.8973748367.

It can be divided in two parts, 129 and 60880, that added together give a square (61009 = 247²).

The spelling of 12960880 in words is "twelve million, nine hundred sixty thousand, eight hundred eighty".