13288870 has 32 divisors (see below), whose sum is σ = 27489600. Its totient is φ = 4530816.

The previous prime is 13288867. The next prime is 13288889. The reversal of 13288870 is 7888231.

13288870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15616 + ... + 16444.

It is an arithmetic number, because the mean of its divisors is an integer number (859050).

Almost surely, 2^13288870 is an apocalyptic number.

13288870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13288870 is an abundant number, since it is smaller than the sum of its proper divisors (14200730).

13288870 is a wasteful number, since it uses less digits than its factorization.

13288870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 13288870 is about 3645.3902397411. The cubic root of 13288870 is about 236.8623412036.

The spelling of 13288870 in words is "thirteen million, two hundred eighty-eight thousand, eight hundred seventy".