13833138 has 32 divisors (see below), whose sum is σ = 31959360. Its totient is φ = 3944960.

The previous prime is 13833133. The next prime is 13833139. The reversal of 13833138 is 83133831.

13833138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13833133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5043 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (998730).

Almost surely, 2^13833138 is an apocalyptic number.

13833138 is an abundant number, since it is smaller than the sum of its proper divisors (18126222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13833138 is a wasteful number, since it uses less digits than its factorization.

13833138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12362.

The product of its digits is 5184, while the sum is 30.

The square root of 13833138 is about 3719.2926746896. The cubic root of 13833138 is about 240.0528702966.

Adding to 13833138 its reverse (83133831), we get a palindrome (96966969).

The spelling of 13833138 in words is "thirteen million, eight hundred thirty-three thousand, one hundred thirty-eight".