13864942 has 24 divisors (see below), whose sum is σ = 26056296. Its totient is φ = 5484528.

The previous prime is 13864919. The next prime is 13864969. The reversal of 13864942 is 24946831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4168 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (1085679).

Almost surely, 2^13864942 is an apocalyptic number.

13864942 is a deficient number, since it is larger than the sum of its proper divisors (12191354).

13864942 is a wasteful number, since it uses less digits than its factorization.

13864942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912 (or 10905 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 13864942 is about 3723.5657641567. The cubic root of 13864942 is about 240.2366993495.

It can be divided in two parts, 1386 and 4942, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 13864942 in words is "thirteen million, eight hundred sixty-four thousand, nine hundred forty-two".