13786838 has 16 divisors (see below), whose sum is σ = 22333920. Its totient is φ = 6345216.

The previous prime is 13786831. The next prime is 13786841. The reversal of 13786838 is 83868731.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13786831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14543 + ... + 15461.

It is an arithmetic number, because the mean of its divisors is an integer number (1395870).

Almost surely, 2^13786838 is an apocalyptic number.

13786838 is a deficient number, since it is larger than the sum of its proper divisors (8547082).

13786838 is a wasteful number, since it uses less digits than its factorization.

13786838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its digits is 193536, while the sum is 44.

The square root of 13786838 is about 3713.0631559401. The cubic root of 13786838 is about 239.7847491334.

The spelling of 13786838 in words is "thirteen million, seven hundred eighty-six thousand, eight hundred thirty-eight".