12431282 has 32 divisors (see below), whose sum is σ = 20563200. Its totient is φ = 5616000.

The previous prime is 12431281. The next prime is 12431317. The reversal of 12431282 is 28213421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12431281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123032 + ... + 123132.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 2^12431282 is an apocalyptic number.

12431282 is a deficient number, since it is larger than the sum of its proper divisors (8131918).

12431282 is a wasteful number, since it uses less digits than its factorization.

12431282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its digits is 768, while the sum is 23.

The square root of 12431282 is about 3525.8023200401. The cubic root of 12431282 is about 231.6533790376.

The spelling of 12431282 in words is "twelve million, four hundred thirty-one thousand, two hundred eighty-two".