13112589 has 16 divisors (see below), whose sum is σ = 20224512. Its totient is φ = 7401648.

The previous prime is 13112587. The next prime is 13112609. The reversal of 13112589 is 98521131.

It is not a de Polignac number, because 13112589 - 2¹ = 13112587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (1264032).

Almost surely, 2^13112589 is an apocalyptic number.

It is an amenable number.

13112589 is a deficient number, since it is larger than the sum of its proper divisors (7111923).

13112589 is an equidigital number, since it uses as much as digits as its factorization.

13112589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616.

The product of its digits is 2160, while the sum is 30.

The square root of 13112589 is about 3621.1309006994. The cubic root of 13112589 is about 235.8103247110.

It can be divided in two parts, 131 and 12589, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 13112589 in words is "thirteen million, one hundred twelve thousand, five hundred eighty-nine".