13589989 has 16 divisors (see below), whose sum is σ = 16109568. Its totient is φ = 11221632.

The previous prime is 13589981. The next prime is 13589993. The reversal of 13589989 is 98998531.

It is a cyclic number.

It is not a de Polignac number, because 13589989 - 2³ = 13589981 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 (13589981) 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, 35292 + ... + 35674.

It is an arithmetic number, because the mean of its divisors is an integer number (1006848).

Almost surely, 2^13589989 is an apocalyptic number.

It is an amenable number.

13589989 is a deficient number, since it is larger than the sum of its proper divisors (2519579).

13589989 is a wasteful number, since it uses less digits than its factorization.

13589989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its digits is 699840, while the sum is 52.

The square root of 13589989 is about 3686.4602262875. The cubic root of 13589989 is about 238.6380555763.

The spelling of 13589989 in words is "thirteen million, five hundred eighty-nine thousand, nine hundred eighty-nine".