13971842 has 8 divisors (see below), whose sum is σ = 21052416. Its totient is φ = 6954372.

The previous prime is 13971817. The next prime is 13971851. The reversal of 13971842 is 24817931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15218 + ... + 16109.

It is an arithmetic number, because the mean of its divisors is an integer number (2631552).

Almost surely, 2^13971842 is an apocalyptic number.

13971842 is a deficient number, since it is larger than the sum of its proper divisors (7080574).

13971842 is a wasteful number, since it uses less digits than its factorization.

13971842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31552.

The product of its digits is 12096, while the sum is 35.

The square root of 13971842 is about 3737.8927218421. The cubic root of 13971842 is about 240.8525351431.

The spelling of 13971842 in words is "thirteen million, nine hundred seventy-one thousand, eight hundred forty-two".