12981360 has 80 divisors (see below), whose sum is σ = 45997056. Its totient is φ = 2966784.

The previous prime is 12981341. The next prime is 12981377. The reversal of 12981360 is 6318921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 2184 + ... + 5543.

Almost surely, 2^12981360 is an apocalyptic number.

12981360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12981360 is an abundant number, since it is smaller than the sum of its proper divisors (33015696).

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

12981360 is a wasteful number, since it uses less digits than its factorization.

12981360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750 (or 7744 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12981360 is about 3602.9654452964. The cubic root of 12981360 is about 235.0210332766.

The spelling of 12981360 in words is "twelve million, nine hundred eighty-one thousand, three hundred sixty".