13896939 has 48 divisors (see below), whose sum is σ = 23442048. Its totient is φ = 7273728.

The previous prime is 13896931. The next prime is 13896943. The reversal of 13896939 is 93969831.

It is a happy number.

13896939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13896939 - 2³ = 13896931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13896931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167392 + ... + 167474.

It is an arithmetic number, because the mean of its divisors is an integer number (488376).

Almost surely, 2^13896939 is an apocalyptic number.

13896939 is a deficient number, since it is larger than the sum of its proper divisors (9545109).

13896939 is a wasteful number, since it uses less digits than its factorization.

13896939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 177 counting only the distinct ones).

The product of its digits is 314928, while the sum is 48.

The square root of 13896939 is about 3727.8598417859. The cubic root of 13896939 is about 240.4213604921.

The spelling of 13896939 in words is "thirteen million, eight hundred ninety-six thousand, nine hundred thirty-nine".