12431268 has 36 divisors (see below), whose sum is σ = 31682560. Its totient is φ = 4109616.

The previous prime is 12431239. The next prime is 12431281. The reversal of 12431268 is 86213421.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3213 + ... + 5931.

Almost surely, 2^12431268 is an apocalyptic number.

12431268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12431268 is an abundant number, since it is smaller than the sum of its proper divisors (19251292).

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

12431268 is a wasteful number, since it uses less digits than its factorization.

12431268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2851 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12431268 is about 3525.8003346758. The cubic root of 12431268 is about 231.6532920756.

Adding to 12431268 its reverse (86213421), we get a palindrome (98644689).

The spelling of 12431268 in words is "twelve million, four hundred thirty-one thousand, two hundred sixty-eight".