13238369 has 2 divisors, whose sum is σ = 13238370. Its totient is φ = 13238368.

The previous prime is 13238347. The next prime is 13238389. The reversal of 13238369 is 96383231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 3751969 = 3080^2 + 1937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13238369 is a prime.

It is a super-2 number, since 2×13238369² = 350508827560322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13238339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619184 + 6619185.

It is an arithmetic number, because the mean of its divisors is an integer number (6619185).

Almost surely, 2^13238369 is an apocalyptic number.

It is an amenable number.

13238369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13238369 is an equidigital number, since it uses as much as digits as its factorization.

13238369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 13238369 is about 3638.4569531602. The cubic root of 13238369 is about 236.5619151140.

The spelling of 13238369 in words is "thirteen million, two hundred thirty-eight thousand, three hundred sixty-nine".