13261589 has 8 divisors (see below), whose sum is σ = 14509920. Its totient is φ = 12020400.

The previous prime is 13261579. The next prime is 13261621. The reversal of 13261589 is 98516231.

13261589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13261589 - 2⁸ = 13261333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (1813740).

Almost surely, 2^13261589 is an apocalyptic number.

It is an amenable number.

13261589 is a deficient number, since it is larger than the sum of its proper divisors (1248331).

13261589 is a wasteful number, since it uses less digits than its factorization.

13261589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its digits is 12960, while the sum is 35.

The square root of 13261589 is about 3641.6464682888. The cubic root of 13261589 is about 236.7001436036.

The spelling of 13261589 in words is "thirteen million, two hundred sixty-one thousand, five hundred eighty-nine".