13304909 has 2 divisors, whose sum is σ = 13304910. Its totient is φ = 13304908.

The previous prime is 13304873. The next prime is 13304917. The reversal of 13304909 is 90940331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11202409 + 2102500 = 3347^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 13304909 - 2⁸ = 13304653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13304969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6652454 + 6652455.

It is an arithmetic number, because the mean of its divisors is an integer number (6652455).

Almost surely, 2^13304909 is an apocalyptic number.

It is an amenable number.

13304909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13304909 is an equidigital number, since it uses as much as digits as its factorization.

13304909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13304909 is about 3647.5894779978. The cubic root of 13304909 is about 236.9575965489.

The spelling of 13304909 in words is "thirteen million, three hundred four thousand, nine hundred nine".