13959249 has 16 divisors (see below), whose sum is σ = 19411008. Its totient is φ = 8914752.

The previous prime is 13959247. The next prime is 13959259. The reversal of 13959249 is 94295931.

It is not a de Polignac number, because 13959249 - 2¹ = 13959247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13959249.

It is not an unprimeable number, because it can be changed into a prime (13959241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6499 + ... + 8375.

It is an arithmetic number, because the mean of its divisors is an integer number (1213188).

Almost surely, 2^13959249 is an apocalyptic number.

It is an amenable number.

13959249 is a deficient number, since it is larger than the sum of its proper divisors (5451759).

13959249 is a wasteful number, since it uses less digits than its factorization.

13959249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984.

The product of its digits is 87480, while the sum is 42.

The square root of 13959249 is about 3736.2078368314. The cubic root of 13959249 is about 240.7801522347.

The spelling of 13959249 in words is "thirteen million, nine hundred fifty-nine thousand, two hundred forty-nine".