13868742 has 16 divisors (see below), whose sum is σ = 28414512. Its totient is φ = 4510080.

The previous prime is 13868737. The next prime is 13868761. The reversal of 13868742 is 24786831.

It is a self number, because there is not a number n which added to its sum of digits gives 13868742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27943 + ... + 28434.

It is an arithmetic number, because the mean of its divisors is an integer number (1775907).

Almost surely, 2^13868742 is an apocalyptic number.

13868742 is an abundant number, since it is smaller than the sum of its proper divisors (14545770).

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

13868742 is a wasteful number, since it uses less digits than its factorization.

13868742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56423.

The product of its digits is 64512, while the sum is 39.

The square root of 13868742 is about 3724.0759927800. The cubic root of 13868742 is about 240.2586447730.

The spelling of 13868742 in words is "thirteen million, eight hundred sixty-eight thousand, seven hundred forty-two".