13839868 has 12 divisors (see below), whose sum is σ = 27679792. Its totient is φ = 5931360.

The previous prime is 13839829. The next prime is 13839869. The reversal of 13839868 is 86893831.

13839868 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13839869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247113 + ... + 247168.

Almost surely, 2^13839868 is an apocalyptic number.

It is an amenable number.

13839868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13839868 is a wasteful number, since it uses less digits than its factorization.

13839868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494292 (or 494290 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 13839868 is about 3720.1973065954. The cubic root of 13839868 is about 240.0917935906.

The spelling of 13839868 in words is "thirteen million, eight hundred thirty-nine thousand, eight hundred sixty-eight".