13163309 has 2 divisors, whose sum is σ = 13163310. Its totient is φ = 13163308.

The previous prime is 13163281. The next prime is 13163323. The reversal of 13163309 is 90336131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10745284 + 2418025 = 3278^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 13163309 - 2²⁰ = 12114733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13163369) 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, 6581654 + 6581655.

It is an arithmetic number, because the mean of its divisors is an integer number (6581655).

Almost surely, 2^13163309 is an apocalyptic number.

It is an amenable number.

13163309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13163309 is an equidigital number, since it uses as much as digits as its factorization.

13163309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 13163309 is about 3628.1274784660. The cubic root of 13163309 is about 236.1139746806.

The spelling of 13163309 in words is "thirteen million, one hundred sixty-three thousand, three hundred nine".