13304399 has 4 divisors (see below), whose sum is σ = 13313664. Its totient is φ = 13295136.

The previous prime is 13304383. The next prime is 13304411. The reversal of 13304399 is 99340331.

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 is a cyclic number.

It is not a de Polignac number, because 13304399 - 2⁴ = 13304383 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 (13304099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (3328416).

Almost surely, 2^13304399 is an apocalyptic number.

13304399 is a deficient number, since it is larger than the sum of its proper divisors (9265).

13304399 is an equidigital number, since it uses as much as digits as its factorization.

13304399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 13304399 is about 3647.5195681449. The cubic root of 13304399 is about 236.9545688464.

The spelling of 13304399 in words is "thirteen million, three hundred four thousand, three hundred ninety-nine".