13058609 has 2 divisors, whose sum is σ = 13058610. Its totient is φ = 13058608.

The previous prime is 13058597. The next prime is 13058659. The reversal of 13058609 is 90685031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 3073009 = 3160^2 + 1753^2 .

It is an emirp because it is prime and its reverse (90685031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13058609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13058659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6529304 + 6529305.

It is an arithmetic number, because the mean of its divisors is an integer number (6529305).

Almost surely, 2^13058609 is an apocalyptic number.

It is an amenable number.

13058609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13058609 is an equidigital number, since it uses as much as digits as its factorization.

13058609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 13058609 is about 3613.6697414125. The cubic root of 13058609 is about 235.4862964455.

The spelling of 13058609 in words is "thirteen million, fifty-eight thousand, six hundred nine".