13309001 has 2 divisors, whose sum is σ = 13309002. Its totient is φ = 13309000.

The previous prime is 13308991. The next prime is 13309007. The reversal of 13309001 is 10090331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 3222025 = 3176^2 + 1795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13309001 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13309007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6654500 + 6654501.

It is an arithmetic number, because the mean of its divisors is an integer number (6654501).

Almost surely, 2^13309001 is an apocalyptic number.

It is an amenable number.

13309001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13309001 is an equidigital number, since it uses as much as digits as its factorization.

13309001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 13309001 is about 3648.1503532612. The cubic root of 13309001 is about 236.9818866085.

Adding to 13309001 its reverse (10090331), we get a palindrome (23399332).

The spelling of 13309001 in words is "thirteen million, three hundred nine thousand, one".