13333249 has 2 divisors, whose sum is σ = 13333250. Its totient is φ = 13333248.

The previous prime is 13333223. The next prime is 13333259. The reversal of 13333249 is 94233331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 5313025 = 2832^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 13333249 - 2⁵ = 13333217 is a prime.

It is not a weakly prime, because it can be changed into another prime (13333259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666624 + 6666625.

It is an arithmetic number, because the mean of its divisors is an integer number (6666625).

Almost surely, 2^13333249 is an apocalyptic number.

It is an amenable number.

13333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13333249 is an equidigital number, since it uses as much as digits as its factorization.

13333249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 28.

The square root of 13333249 is about 3651.4721688656. The cubic root of 13333249 is about 237.1257203572.

The spelling of 13333249 in words is "thirteen million, three hundred thirty-three thousand, two hundred forty-nine".