13370909 has 2 divisors, whose sum is σ = 13370910. Its totient is φ = 13370908.

The previous prime is 13370897. The next prime is 13370947. The reversal of 13370909 is 90907331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 2788900 = 3253^2 + 1670^2 .

It is an emirp because it is prime and its reverse (90907331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13370909 - 2²⁰ = 12322333 is a prime.

It is a Chen prime.

It is equal to p₈₇₁₈₁₇ and since 13370909 and 871817 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13370969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6685454 + 6685455.

It is an arithmetic number, because the mean of its divisors is an integer number (6685455).

Almost surely, 2^13370909 is an apocalyptic number.

It is an amenable number.

13370909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13370909 is an equidigital number, since it uses as much as digits as its factorization.

13370909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 13370909 is about 3656.6253568010. The cubic root of 13370909 is about 237.3487657680.

The spelling of 13370909 in words is "thirteen million, three hundred seventy thousand, nine hundred nine".