13268609 has 2 divisors, whose sum is σ = 13268610. Its totient is φ = 13268608.

The previous prime is 13268561. The next prime is 13268611. The reversal of 13268609 is 90686231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 2900209 = 3220^2 + 1703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13268609 is a prime.

Together with 13268611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13268009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634304 + 6634305.

It is an arithmetic number, because the mean of its divisors is an integer number (6634305).

Almost surely, 2^13268609 is an apocalyptic number.

It is an amenable number.

13268609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13268609 is an equidigital number, since it uses as much as digits as its factorization.

13268609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13268609 is about 3642.6101905090. The cubic root of 13268609 is about 236.7419018449.

The spelling of 13268609 in words is "thirteen million, two hundred sixty-eight thousand, six hundred nine".