13415249 has 2 divisors, whose sum is σ = 13415250. Its totient is φ = 13415248.

The previous prime is 13415239. The next prime is 13415251. The reversal of 13415249 is 94251431.

13415249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13249600 + 165649 = 3640^2 + 407^2 .

It is an emirp because it is prime and its reverse (94251431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13415249 - 2⁸ = 13414993 is a prime.

Together with 13415251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13415239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6707624 + 6707625.

It is an arithmetic number, because the mean of its divisors is an integer number (6707625).

Almost surely, 2^13415249 is an apocalyptic number.

It is an amenable number.

13415249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13415249 is an equidigital number, since it uses as much as digits as its factorization.

13415249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 13415249 is about 3662.6833059930. The cubic root of 13415249 is about 237.6108380161.

The spelling of 13415249 in words is "thirteen million, four hundred fifteen thousand, two hundred forty-nine".