13372609 has 2 divisors, whose sum is σ = 13372610. Its totient is φ = 13372608.

The previous prime is 13372607. The next prime is 13372631. The reversal of 13372609 is 90627331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 2002225 = 3372^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 13372609 - 2¹ = 13372607 is a prime.

Together with 13372607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13372607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6686304 + 6686305.

It is an arithmetic number, because the mean of its divisors is an integer number (6686305).

Almost surely, 2^13372609 is an apocalyptic number.

It is an amenable number.

13372609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13372609 is an equidigital number, since it uses as much as digits as its factorization.

13372609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 13372609 is about 3656.8578041811. The cubic root of 13372609 is about 237.3588243163.

The spelling of 13372609 in words is "thirteen million, three hundred seventy-two thousand, six hundred nine".