13189459 has 4 divisors (see below), whose sum is σ = 13317616. Its totient is φ = 13061304.

The previous prime is 13189453. The next prime is 13189483. The reversal of 13189459 is 95498131.

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

It is a cyclic number.

It is not a de Polignac number, because 13189459 - 2⁹ = 13188947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13189453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63924 + ... + 64129.

It is an arithmetic number, because the mean of its divisors is an integer number (3329404).

Almost surely, 2^13189459 is an apocalyptic number.

13189459 is a deficient number, since it is larger than the sum of its proper divisors (128157).

13189459 is a wasteful number, since it uses less digits than its factorization.

13189459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128156.

The product of its digits is 38880, while the sum is 40.

The square root of 13189459 is about 3631.7294778108. The cubic root of 13189459 is about 236.2702245594.

The spelling of 13189459 in words is "thirteen million, one hundred eighty-nine thousand, four hundred fifty-nine".