13949668 has 12 divisors (see below), whose sum is σ = 24776752. Its totient is φ = 6870600.

The previous prime is 13949657. The next prime is 13949671. The reversal of 13949668 is 86694931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25758 + ... + 26293.

Almost surely, 2^13949668 is an apocalyptic number.

It is an amenable number.

13949668 is a deficient number, since it is larger than the sum of its proper divisors (10827084).

13949668 is a wasteful number, since it uses less digits than its factorization.

13949668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52122 (or 52120 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 13949668 is about 3734.9254343293. The cubic root of 13949668 is about 240.7250527417.

The spelling of 13949668 in words is "thirteen million, nine hundred forty-nine thousand, six hundred sixty-eight".