13249867 has 2 divisors, whose sum is σ = 13249868. Its totient is φ = 13249866.

The previous prime is 13249843. The next prime is 13249879. The reversal of 13249867 is 76894231.

13249867 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 is a cyclic number.

It is not a de Polignac number, because 13249867 - 2⁷ = 13249739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13249837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624933 + 6624934.

It is an arithmetic number, because the mean of its divisors is an integer number (6624934).

Almost surely, 2^13249867 is an apocalyptic number.

13249867 is a deficient number, since it is larger than the sum of its proper divisors (1).

13249867 is an equidigital number, since it uses as much as digits as its factorization.

13249867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 13249867 is about 3640.0366756394. The cubic root of 13249867 is about 236.6303828084.

The spelling of 13249867 in words is "thirteen million, two hundred forty-nine thousand, eight hundred sixty-seven".