13838518 has 16 divisors (see below), whose sum is σ = 21819600. Its totient is φ = 6574176.

The previous prime is 13838501. The next prime is 13838519. The reversal of 13838518 is 81583831.

13838518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838519) 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, 1008 + ... + 5356.

It is an arithmetic number, because the mean of its divisors is an integer number (1363725).

Almost surely, 2^13838518 is an apocalyptic number.

13838518 is a deficient number, since it is larger than the sum of its proper divisors (7981082).

13838518 is a wasteful number, since it uses less digits than its factorization.

13838518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its digits is 23040, while the sum is 37.

The square root of 13838518 is about 3720.0158601812. The cubic root of 13838518 is about 240.0839868095.

The spelling of 13838518 in words is "thirteen million, eight hundred thirty-eight thousand, five hundred eighteen".