13968742 has 4 divisors (see below), whose sum is σ = 20953116. Its totient is φ = 6984370.

The previous prime is 13968727. The next prime is 13968767. The reversal of 13968742 is 24786931.

13968742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 13968695 and 13968704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492184 + ... + 3492187.

It is an arithmetic number, because the mean of its divisors is an integer number (5238279).

Almost surely, 2^13968742 is an apocalyptic number.

13968742 is a deficient number, since it is larger than the sum of its proper divisors (6984374).

13968742 is an equidigital number, since it uses as much as digits as its factorization.

13968742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984373.

The product of its digits is 72576, while the sum is 40.

The square root of 13968742 is about 3737.4780266913. The cubic root of 13968742 is about 240.8347207874.

The spelling of 13968742 in words is "thirteen million, nine hundred sixty-eight thousand, seven hundred forty-two".