13088889 has 48 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 7418880.

The previous prime is 13088879. The next prime is 13088923. The reversal of 13088889 is 98888031.

It is not a de Polignac number, because 13088889 - 2⁵ = 13088857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13088819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134889 + ... + 134985.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^13088889 is an apocalyptic number.

It is an amenable number.

13088889 is a deficient number, since it is larger than the sum of its proper divisors (8925831).

13088889 is a wasteful number, since it uses less digits than its factorization.

13088889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 13088889 is about 3617.8569623466. The cubic root of 13088889 is about 235.6681693331.

The spelling of 13088889 in words is "thirteen million, eighty-eight thousand, eight hundred eighty-nine".