12881560 has 16 divisors (see below), whose sum is σ = 28983600. Its totient is φ = 5152608.

The previous prime is 12881551. The next prime is 12881579. The reversal of 12881560 is 6518821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160980 + ... + 161059.

It is an arithmetic number, because the mean of its divisors is an integer number (1811475).

Almost surely, 2^12881560 is an apocalyptic number.

12881560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12881560 is an abundant number, since it is smaller than the sum of its proper divisors (16102040).

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

12881560 is a wasteful number, since it uses less digits than its factorization.

12881560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322050 (or 322046 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 12881560 is about 3589.0890209077. The cubic root of 12881560 is about 234.4172068581.

The spelling of 12881560 in words is "twelve million, eight hundred eighty-one thousand, five hundred sixty".