13994742 has 16 divisors (see below), whose sum is σ = 28449072. Its totient is φ = 4588320.

The previous prime is 13994731. The next prime is 13994779. The reversal of 13994742 is 24749931.

It is a plaindrome in base 15.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 13994742.

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, 18753 + ... + 19484.

It is an arithmetic number, because the mean of its divisors is an integer number (1778067).

Almost surely, 2^13994742 is an apocalyptic number.

13994742 is an abundant number, since it is smaller than the sum of its proper divisors (14454330).

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

13994742 is a wasteful number, since it uses less digits than its factorization.

13994742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38303.

The product of its digits is 54432, while the sum is 39.

The square root of 13994742 is about 3740.9546909846. The cubic root of 13994742 is about 240.9840499536.

It can be divided in two parts, 13 and 994742, that added together give a triangular number (994755 = T₁₄₁₀).

The spelling of 13994742 in words is "thirteen million, nine hundred ninety-four thousand, seven hundred forty-two".