13104209 has 2 divisors, whose sum is σ = 13104210. Its totient is φ = 13104208.

The previous prime is 13104193. The next prime is 13104251. The reversal of 13104209 is 90240131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 1373584 = 3425^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 13104209 - 2⁴ = 13104193 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13104269) 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 as a sum of consecutive naturals, namely, 6552104 + 6552105.

It is an arithmetic number, because the mean of its divisors is an integer number (6552105).

Almost surely, 2^13104209 is an apocalyptic number.

It is an amenable number.

13104209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13104209 is an equidigital number, since it uses as much as digits as its factorization.

13104209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13104209 is about 3619.9736186884. The cubic root of 13104209 is about 235.7600800789.

The spelling of 13104209 in words is "thirteen million, one hundred four thousand, two hundred nine".