13598091 has 32 divisors (see below), whose sum is σ = 22848000. Its totient is φ = 7923744.

The previous prime is 13598089. The next prime is 13598099. The reversal of 13598091 is 19089531.

It is a happy number.

It is not a de Polignac number, because 13598091 - 2¹ = 13598089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13598099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5650 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (714000).

Almost surely, 2^13598091 is an apocalyptic number.

13598091 is a deficient number, since it is larger than the sum of its proper divisors (9249909).

13598091 is a wasteful number, since it uses less digits than its factorization.

13598091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2074 counting only the distinct ones).

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

The square root of 13598091 is about 3687.5589486814. The cubic root of 13598091 is about 238.6854694344.

The spelling of 13598091 in words is "thirteen million, five hundred ninety-eight thousand, ninety-one".