13926838 has 4 divisors (see below), whose sum is σ = 20890260. Its totient is φ = 6963418.

The previous prime is 13926823. The next prime is 13926841. The reversal of 13926838 is 83862931.

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 self number, because there is not a number n which added to its sum of digits gives 13926838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3481708 + ... + 3481711.

It is an arithmetic number, because the mean of its divisors is an integer number (5222565).

Almost surely, 2^13926838 is an apocalyptic number.

13926838 is a deficient number, since it is larger than the sum of its proper divisors (6963422).

13926838 is an equidigital number, since it uses as much as digits as its factorization.

13926838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963421.

The product of its digits is 62208, while the sum is 40.

The square root of 13926838 is about 3731.8678969117. The cubic root of 13926838 is about 240.5936576482.

The spelling of 13926838 in words is "thirteen million, nine hundred twenty-six thousand, eight hundred thirty-eight".