13327309 has 4 divisors (see below), whose sum is σ = 13343616. Its totient is φ = 13311004.

The previous prime is 13327297. The next prime is 13327343. The reversal of 13327309 is 90372331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13327309 - 2²¹ = 11230157 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 (13327399) 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, 6859 + ... + 8584.

It is an arithmetic number, because the mean of its divisors is an integer number (3335904).

Almost surely, 2^13327309 is an apocalyptic number.

It is an amenable number.

13327309 is a deficient number, since it is larger than the sum of its proper divisors (16307).

13327309 is an equidigital number, since it uses as much as digits as its factorization.

13327309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16306.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 13327309 is about 3650.6587076855. The cubic root of 13327309 is about 237.0905017345.

The spelling of 13327309 in words is "thirteen million, three hundred twenty-seven thousand, three hundred nine".