13089997 has 2 divisors, whose sum is σ = 13089998. Its totient is φ = 13089996.

The previous prime is 13089977. The next prime is 13090001. The reversal of 13089997 is 79998031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9205156 + 3884841 = 3034^2 + 1971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13089997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13089977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6544998 + 6544999.

It is an arithmetic number, because the mean of its divisors is an integer number (6544999).

Almost surely, 2^13089997 is an apocalyptic number.

It is an amenable number.

13089997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13089997 is an equidigital number, since it uses as much as digits as its factorization.

13089997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 13089997 is about 3618.0100884326. The cubic root of 13089997 is about 235.6748190690.

The spelling of 13089997 in words is "thirteen million, eighty-nine thousand, nine hundred ninety-seven".