13316439 has 4 divisors (see below), whose sum is σ = 17755256. Its totient is φ = 8877624.

The previous prime is 13316419. The next prime is 13316449. The reversal of 13316439 is 93461331.

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

It is not a de Polignac number, because 13316439 - 2⁷ = 13316311 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 (13316419) 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, 2219404 + ... + 2219409.

It is an arithmetic number, because the mean of its divisors is an integer number (4438814).

Almost surely, 2^13316439 is an apocalyptic number.

13316439 is a deficient number, since it is larger than the sum of its proper divisors (4438817).

13316439 is an equidigital number, since it uses as much as digits as its factorization.

13316439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438816.

The product of its digits is 5832, while the sum is 30.

The square root of 13316439 is about 3649.1696315737. The cubic root of 13316439 is about 237.0260257342.

The spelling of 13316439 in words is "thirteen million, three hundred sixteen thousand, four hundred thirty-nine".