13318959 has 4 divisors (see below), whose sum is σ = 17758616. Its totient is φ = 8879304.

The previous prime is 13318957. The next prime is 13318969. The reversal of 13318959 is 95981331.

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

It is not a de Polignac number, because 13318959 - 2¹ = 13318957 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 (13318951) 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, 2219824 + ... + 2219829.

It is an arithmetic number, because the mean of its divisors is an integer number (4439654).

Almost surely, 2^13318959 is an apocalyptic number.

13318959 is a deficient number, since it is larger than the sum of its proper divisors (4439657).

13318959 is an equidigital number, since it uses as much as digits as its factorization.

13318959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439656.

The product of its digits is 29160, while the sum is 39.

The square root of 13318959 is about 3649.5148992709. The cubic root of 13318959 is about 237.0409763756.

The spelling of 13318959 in words is "thirteen million, three hundred eighteen thousand, nine hundred fifty-nine".