13319329 has 4 divisors (see below), whose sum is σ = 13326660. Its totient is φ = 13312000.

The previous prime is 13319311. The next prime is 13319351. The reversal of 13319329 is 92391331.

13319329 is digitally balanced in base 2, 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2396304 + 10923025 = 1548^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 13319329 - 2¹⁵ = 13286561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13319329.

It is not an unprimeable number, because it can be changed into a prime (13319359) 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, 1329 + ... + 5329.

It is an arithmetic number, because the mean of its divisors is an integer number (3331665).

Almost surely, 2^13319329 is an apocalyptic number.

It is an amenable number.

13319329 is a deficient number, since it is larger than the sum of its proper divisors (7331).

13319329 is an equidigital number, since it uses as much as digits as its factorization.

13319329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330.

The product of its digits is 4374, while the sum is 31.

The square root of 13319329 is about 3649.5655905875. The cubic root of 13319329 is about 237.0431713506.

The spelling of 13319329 in words is "thirteen million, three hundred nineteen thousand, three hundred twenty-nine".