13088520 has 64 divisors (see below), whose sum is σ = 43632000. Its totient is φ = 3489984.

The previous prime is 13088507. The next prime is 13088533. The reversal of 13088520 is 2588031.

It is a happy number.

13088520 is a `hidden beast` number, since 130 + 8 + 8 + 520 = 666.

13088520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13088507) and next prime (13088533).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 4980 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (681750).

Almost surely, 2^13088520 is an apocalyptic number.

13088520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13088520 is an abundant number, since it is smaller than the sum of its proper divisors (30543480).

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

13088520 is a wasteful number, since it uses less digits than its factorization.

13088520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139 (or 12129 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 13088520 is about 3617.8059649462. The cubic root of 13088520 is about 235.6659546717.

The spelling of 13088520 in words is "thirteen million, eighty-eight thousand, five hundred twenty".