13238249 has 2 divisors, whose sum is σ = 13238250. Its totient is φ = 13238248.

The previous prime is 13238233. The next prime is 13238263. The reversal of 13238249 is 94283231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 4494400 = 2957^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 13238249 - 2⁴ = 13238233 is a prime.

It is not a weakly prime, because it can be changed into another prime (13238149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619124 + 6619125.

It is an arithmetic number, because the mean of its divisors is an integer number (6619125).

Almost surely, 2^13238249 is an apocalyptic number.

It is an amenable number.

13238249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13238249 is an equidigital number, since it uses as much as digits as its factorization.

13238249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 13238249 is about 3638.4404626158. The cubic root of 13238249 is about 236.5612003352.

The spelling of 13238249 in words is "thirteen million, two hundred thirty-eight thousand, two hundred forty-nine".