13915089 has 6 divisors (see below), whose sum is σ = 20099586. Its totient is φ = 9276720.

The previous prime is 13915081. The next prime is 13915117. The reversal of 13915089 is 98051931.

It is a happy number.

13915089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 4915089 = 3000^2 + 2217^2 .

It is not a de Polignac number, because 13915089 - 2³ = 13915081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13915081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 773052 + ... + 773069.

It is an arithmetic number, because the mean of its divisors is an integer number (3349931).

Almost surely, 2^13915089 is an apocalyptic number.

It is an amenable number.

13915089 is a deficient number, since it is larger than the sum of its proper divisors (6184497).

13915089 is a wasteful number, since it uses less digits than its factorization.

13915089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546127 (or 1546124 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 13915089 is about 3730.2934200945. The cubic root of 13915089 is about 240.5259818375.

The spelling of 13915089 in words is "thirteen million, nine hundred fifteen thousand, eighty-nine".