13088660 has 24 divisors (see below), whose sum is σ = 29601096. Its totient is φ = 4832640.

The previous prime is 13088629. The next prime is 13088671. The reversal of 13088660 is 6688031.

It can be written as a sum of positive squares in 4 ways, for example, as 329476 + 12759184 = 574^2 + 3572^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24911 + ... + 25430.

It is an arithmetic number, because the mean of its divisors is an integer number (1233379).

Almost surely, 2^13088660 is an apocalyptic number.

13088660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13088660 is an abundant number, since it is smaller than the sum of its proper divisors (16512436).

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

13088660 is a wasteful number, since it uses less digits than its factorization.

13088660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50363 (or 50361 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 13088660 is about 3617.8253136380. The cubic root of 13088660 is about 235.6667949276. Note that the first 3 decimals are identical.

The spelling of 13088660 in words is "thirteen million, eighty-eight thousand, six hundred sixty".