13304739 has 8 divisors (see below), whose sum is σ = 20273920. Its totient is φ = 7602696.

The previous prime is 13304737. The next prime is 13304743. The reversal of 13304739 is 93740331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13304739 - 2¹ = 13304737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13304737) 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 7 ways as a sum of consecutive naturals, for example, 316759 + ... + 316800.

It is an arithmetic number, because the mean of its divisors is an integer number (2534240).

Almost surely, 2^13304739 is an apocalyptic number.

13304739 is a deficient number, since it is larger than the sum of its proper divisors (6969181).

13304739 is an equidigital number, since it uses as much as digits as its factorization.

13304739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633569.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 13304739 is about 3647.5661748624. The cubic root of 13304739 is about 236.9565873233.

The spelling of 13304739 in words is "thirteen million, three hundred four thousand, seven hundred thirty-nine".