13919426 has 8 divisors (see below), whose sum is σ = 21323520. Its totient is φ = 6811588.

The previous prime is 13919417. The next prime is 13919467. The reversal of 13919426 is 62491931.

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, 73946 + ... + 74133.

It is an arithmetic number, because the mean of its divisors is an integer number (2665440).

Almost surely, 2^13919426 is an apocalyptic number.

13919426 is a deficient number, since it is larger than the sum of its proper divisors (7404094).

13919426 is a wasteful number, since it uses less digits than its factorization.

13919426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148128.

The product of its digits is 11664, while the sum is 35.

The square root of 13919426 is about 3730.8746963681. The cubic root of 13919426 is about 240.5509679713.

The spelling of 13919426 in words is "thirteen million, nine hundred nineteen thousand, four hundred twenty-six".