13067609 has 2 divisors, whose sum is σ = 13067610. Its totient is φ = 13067608.

The previous prime is 13067591. The next prime is 13067629. The reversal of 13067609 is 90676031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10272025 + 2795584 = 3205^2 + 1672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13067609 is a prime.

It is not a weakly prime, because it can be changed into another prime (13067629) 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, 6533804 + 6533805.

It is an arithmetic number, because the mean of its divisors is an integer number (6533805).

Almost surely, 2^13067609 is an apocalyptic number.

It is an amenable number.

13067609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13067609 is an equidigital number, since it uses as much as digits as its factorization.

13067609 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 32.

The square root of 13067609 is about 3614.9147984427. The cubic root of 13067609 is about 235.5403831139.

The spelling of 13067609 in words is "thirteen million, sixty-seven thousand, six hundred nine".