12431302 has 12 divisors (see below), whose sum is σ = 20192220. Its totient is φ = 5737368.

The previous prime is 12431281. The next prime is 12431317. The reversal of 12431302 is 20313421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18052 + ... + 18727.

It is an arithmetic number, because the mean of its divisors is an integer number (1682685).

Almost surely, 2^12431302 is an apocalyptic number.

12431302 is a deficient number, since it is larger than the sum of its proper divisors (7760918).

12431302 is a wasteful number, since it uses less digits than its factorization.

12431302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36807 (or 36794 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12431302 is about 3525.8051562728. The cubic root of 12431302 is about 231.6535032690.

Adding to 12431302 its reverse (20313421), we get a palindrome (32744723).

The spelling of 12431302 in words is "twelve million, four hundred thirty-one thousand, three hundred two".