12431076 has 48 divisors (see below), whose sum is σ = 33567744. Its totient is φ = 3506976.

The previous prime is 12431071. The next prime is 12431099. The reversal of 12431076 is 67013421.

It is not an unprimeable number, because it can be changed into a prime (12431071) 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, 6081 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (699328).

Almost surely, 2^12431076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12431076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16783872).

12431076 is an abundant number, since it is smaller than the sum of its proper divisors (21136668).

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

12431076 is a wasteful number, since it uses less digits than its factorization.

12431076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12431076 is about 3525.7731067101. The cubic root of 12431076 is about 231.6520994469.

Adding to 12431076 its reverse (67013421), we get a palindrome (79444497).

The spelling of 12431076 in words is "twelve million, four hundred thirty-one thousand, seventy-six".