13839942 has 16 divisors (see below), whose sum is σ = 29136960. Its totient is φ = 4370472.

The previous prime is 13839941. The next prime is 13839953. The reversal of 13839942 is 24993831.

13839942 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13839942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13839941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60588 + ... + 60815.

It is an arithmetic number, because the mean of its divisors is an integer number (1821060).

Almost surely, 2^13839942 is an apocalyptic number.

13839942 is an abundant number, since it is smaller than the sum of its proper divisors (15297018).

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

13839942 is a wasteful number, since it uses less digits than its factorization.

13839942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121427.

The product of its digits is 46656, while the sum is 39.

The square root of 13839942 is about 3720.2072522912. The cubic root of 13839942 is about 240.0922215032.

It can be divided in two parts, 1383 and 9942, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 13839942 in words is "thirteen million, eight hundred thirty-nine thousand, nine hundred forty-two".