12331338 has 8 divisors (see below), whose sum is σ = 24662688. Its totient is φ = 4110444.

The previous prime is 12331337. The next prime is 12331369. The reversal of 12331338 is 83313321.

It is a sphenic number, since it is the product of 3 distinct primes.

12331338 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12331337) 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 3 ways as a sum of consecutive naturals, for example, 1027606 + ... + 1027617.

It is an arithmetic number, because the mean of its divisors is an integer number (3082836).

Almost surely, 2^12331338 is an apocalyptic number.

12331338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12331338 is a wasteful number, since it uses less digits than its factorization.

12331338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055228.

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

The square root of 12331338 is about 3511.6004898052. The cubic root of 12331338 is about 231.0308985860.

Adding to 12331338 its reverse (83313321), we get a palindrome (95644659).

The spelling of 12331338 in words is "twelve million, three hundred thirty-one thousand, three hundred thirty-eight".