13113238 has 8 divisors (see below), whose sum is σ = 19685232. Its totient is φ = 6551496.

The previous prime is 13113223. The next prime is 13113241. The reversal of 13113238 is 83231131.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631 + ... + 6277.

It is an arithmetic number, because the mean of its divisors is an integer number (2460654).

Almost surely, 2^13113238 is an apocalyptic number.

13113238 is a deficient number, since it is larger than the sum of its proper divisors (6571994).

13113238 is a wasteful number, since it uses less digits than its factorization.

13113238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126.

The product of its digits is 432, while the sum is 22.

The square root of 13113238 is about 3621.2205124792. The cubic root of 13113238 is about 235.8142150786.

Adding to 13113238 its reverse (83231131), we get a palindrome (96344369).

The spelling of 13113238 in words is "thirteen million, one hundred thirteen thousand, two hundred thirty-eight".