12413209 has 2 divisors, whose sum is σ = 12413210. Its totient is φ = 12413208.

The previous prime is 12413207. The next prime is 12413227. The reversal of 12413209 is 90231421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11923209 + 490000 = 3453^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 12413209 - 2¹ = 12413207 is a prime.

Together with 12413207, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12413209.

It is not a weakly prime, because it can be changed into another prime (12413207) 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, 6206604 + 6206605.

It is an arithmetic number, because the mean of its divisors is an integer number (6206605).

Almost surely, 2^12413209 is an apocalyptic number.

It is an amenable number.

12413209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12413209 is an equidigital number, since it uses as much as digits as its factorization.

12413209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12413209 is about 3523.2384250856. The cubic root of 12413209 is about 231.5410628645.

The spelling of 12413209 in words is "twelve million, four hundred thirteen thousand, two hundred nine".