13398589 has 4 divisors (see below), whose sum is σ = 13618300. Its totient is φ = 13178880.

The previous prime is 13398587. The next prime is 13398599. The reversal of 13398589 is 98589331.

13398589 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7198489 + 6200100 = 2683^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 13398589 - 2¹ = 13398587 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 (13398587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109764 + ... + 109885.

It is an arithmetic number, because the mean of its divisors is an integer number (3404575).

Almost surely, 2^13398589 is an apocalyptic number.

It is an amenable number.

13398589 is a deficient number, since it is larger than the sum of its proper divisors (219711).

13398589 is an equidigital number, since it uses as much as digits as its factorization.

13398589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219710.

The product of its digits is 233280, while the sum is 46.

The square root of 13398589 is about 3660.4083105577. The cubic root of 13398589 is about 237.5124366525.

The spelling of 13398589 in words is "thirteen million, three hundred ninety-eight thousand, five hundred eighty-nine".