12331442 has 8 divisors (see below), whose sum is σ = 18563376. Its totient is φ = 6143652.

The previous prime is 12331441. The next prime is 12331453. The reversal of 12331442 is 24413321.

12331442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (12331441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10328 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (2320422).

Almost surely, 2^12331442 is an apocalyptic number.

12331442 is a deficient number, since it is larger than the sum of its proper divisors (6231934).

12331442 is a wasteful number, since it uses less digits than its factorization.

12331442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22072.

The product of its digits is 576, while the sum is 20.

The square root of 12331442 is about 3511.6152978366. The cubic root of 12331442 is about 231.0315480734.

Adding to 12331442 its reverse (24413321), we get a palindrome (36744763).

The spelling of 12331442 in words is "twelve million, three hundred thirty-one thousand, four hundred forty-two".