13928374 has 8 divisors (see below), whose sum is σ = 21235248. Its totient is φ = 6849960.

The previous prime is 13928353. The next prime is 13928399. The reversal of 13928374 is 47382931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56962 + ... + 57205.

It is an arithmetic number, because the mean of its divisors is an integer number (2654406).

Almost surely, 2^13928374 is an apocalyptic number.

13928374 is a deficient number, since it is larger than the sum of its proper divisors (7306874).

13928374 is a wasteful number, since it uses less digits than its factorization.

13928374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114230.

The product of its digits is 36288, while the sum is 37.

The square root of 13928374 is about 3732.0736863036. The cubic root of 13928374 is about 240.6025023999.

The spelling of 13928374 in words is "thirteen million, nine hundred twenty-eight thousand, three hundred seventy-four".