13967449 has 2 divisors, whose sum is σ = 13967450. Its totient is φ = 13967448.

The previous prime is 13967441. The next prime is 13967519. The reversal of 13967449 is 94476931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 2271049 = 3420^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 13967449 - 2³ = 13967441 is a prime.

It is not a weakly prime, because it can be changed into another prime (13967441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6983724 + 6983725.

It is an arithmetic number, because the mean of its divisors is an integer number (6983725).

Almost surely, 2^13967449 is an apocalyptic number.

It is an amenable number.

13967449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13967449 is an equidigital number, since it uses as much as digits as its factorization.

13967449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 13967449 is about 3737.3050450826. The cubic root of 13967449 is about 240.8272896983.

The spelling of 13967449 in words is "thirteen million, nine hundred sixty-seven thousand, four hundred forty-nine".