13313009 has 4 divisors (see below), whose sum is σ = 13335204. Its totient is φ = 13290816.

The previous prime is 13312993. The next prime is 13313011. The reversal of 13313009 is 90031331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5161984 + 8151025 = 2272^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313009 - 2⁴ = 13312993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13313039) 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, 10172 + ... + 11405.

It is an arithmetic number, because the mean of its divisors is an integer number (3333801).

Almost surely, 2^13313009 is an apocalyptic number.

It is an amenable number.

13313009 is a deficient number, since it is larger than the sum of its proper divisors (22195).

13313009 is an equidigital number, since it uses as much as digits as its factorization.

13313009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22194.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 13313009 is about 3648.6996313755. The cubic root of 13313009 is about 237.0056732190.

The spelling of 13313009 in words is "thirteen million, three hundred thirteen thousand, nine".