12531760 has 40 divisors (see below), whose sum is σ = 29283840. Its totient is φ = 4987392.

The previous prime is 12531709. The next prime is 12531763. The reversal of 12531760 is 6713521.

12531760 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 (40).

It is not an unprimeable number, because it can be changed into a prime (12531763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30436 + ... + 30844.

It is an arithmetic number, because the mean of its divisors is an integer number (732096).

Almost surely, 2^12531760 is an apocalyptic number.

12531760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12531760 is an abundant number, since it is smaller than the sum of its proper divisors (16752080).

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

12531760 is a wasteful number, since it uses less digits than its factorization.

12531760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12531760 is about 3540.0225987979. The cubic root of 12531760 is about 232.2758312607.

The spelling of 12531760 in words is "twelve million, five hundred thirty-one thousand, seven hundred sixty".