13819942 has 8 divisors (see below), whose sum is σ = 21212136. Its totient is φ = 6749232.

The previous prime is 13819933. The next prime is 13819943. The reversal of 13819942 is 24991831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13819943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80263 + ... + 80434.

It is an arithmetic number, because the mean of its divisors is an integer number (2651517).

Almost surely, 2^13819942 is an apocalyptic number.

13819942 is a deficient number, since it is larger than the sum of its proper divisors (7392194).

13819942 is a wasteful number, since it uses less digits than its factorization.

13819942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160742.

The product of its digits is 15552, while the sum is 37.

The square root of 13819942 is about 3717.5182581932. The cubic root of 13819942 is about 239.9765139055.

The spelling of 13819942 in words is "thirteen million, eight hundred nineteen thousand, nine hundred forty-two".