13123338 has 16 divisors (see below), whose sum is σ = 27628320. Its totient is φ = 4144176.

The previous prime is 13123307. The next prime is 13123339. The reversal of 13123338 is 83332131.

It is not an unprimeable number, because it can be changed into a prime (13123339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57445 + ... + 57672.

It is an arithmetic number, because the mean of its divisors is an integer number (1726770).

Almost surely, 2^13123338 is an apocalyptic number.

13123338 is an abundant number, since it is smaller than the sum of its proper divisors (14504982).

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

13123338 is a wasteful number, since it uses less digits than its factorization.

13123338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115141.

The product of its digits is 1296, while the sum is 24.

The square root of 13123338 is about 3622.6148014935. The cubic root of 13123338 is about 235.8747420147.

Adding to 13123338 its reverse (83332131), we get a palindrome (96455469).

The spelling of 13123338 in words is "thirteen million, one hundred twenty-three thousand, three hundred thirty-eight".