13995949 has 12 divisors (see below), whose sum is σ = 15547168. Its totient is φ = 12588840.

The previous prime is 13995931. The next prime is 13995959. The reversal of 13995949 is 94959931.

It is a de Polignac number, because none of the positive numbers 2^k-13995949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13995959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11902 + ... + 13024.

Almost surely, 2^13995949 is an apocalyptic number.

It is an amenable number.

13995949 is a deficient number, since it is larger than the sum of its proper divisors (1551219).

13995949 is a wasteful number, since it uses less digits than its factorization.

13995949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1237 counting only the distinct ones).

The product of its digits is 393660, while the sum is 49.

The square root of 13995949 is about 3741.1160099628. The cubic root of 13995949 is about 240.9909777790.

The spelling of 13995949 in words is "thirteen million, nine hundred ninety-five thousand, nine hundred forty-nine".