13398189 has 16 divisors (see below), whose sum is σ = 20569728. Its totient is φ = 7598592.

The previous prime is 13398157. The next prime is 13398233. The reversal of 13398189 is 98189331.

13398189 = 70² + 71² + ... + 343².

It is a happy number.

13398189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13398189 - 2⁵ = 13398157 is a prime.

It is a super-2 number, since 2×13398189² = 359022936959442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13398189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398139) 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, 549 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (1285608).

Almost surely, 2^13398189 is an apocalyptic number.

It is an amenable number.

13398189 is a deficient number, since it is larger than the sum of its proper divisors (7171539).

13398189 is a wasteful number, since it uses less digits than its factorization.

13398189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804.

The product of its digits is 46656, while the sum is 42.

The square root of 13398189 is about 3660.3536714367. The cubic root of 13398189 is about 237.5100730723.

The spelling of 13398189 in words is "thirteen million, three hundred ninety-eight thousand, one hundred eighty-nine".