12431342 has 32 divisors (see below), whose sum is σ = 23535360. Its totient is φ = 4783680.

The previous prime is 12431329. The next prime is 12431357. The reversal of 12431342 is 24313421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13253 + ... + 14159.

It is an arithmetic number, because the mean of its divisors is an integer number (735480).

Almost surely, 2^12431342 is an apocalyptic number.

12431342 is a deficient number, since it is larger than the sum of its proper divisors (11104018).

12431342 is a wasteful number, since it uses less digits than its factorization.

12431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

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

The square root of 12431342 is about 3525.8108287315. The cubic root of 12431342 is about 231.6537517313.

Adding to 12431342 its reverse (24313421), we get a palindrome (36744763).

The spelling of 12431342 in words is "twelve million, four hundred thirty-one thousand, three hundred forty-two".