12431116 has 12 divisors (see below), whose sum is σ = 21780360. Its totient is φ = 6208160.

The previous prime is 12431099. The next prime is 12431117. The reversal of 12431116 is 61113421.

It is a junction number, because it is equal to n+sod(n) for n = 12431093 and 12431102.

It is not an unprimeable number, because it can be changed into a prime (12431117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3951 + ... + 6361.

It is an arithmetic number, because the mean of its divisors is an integer number (1815030).

Almost surely, 2^12431116 is an apocalyptic number.

It is an amenable number.

12431116 is a deficient number, since it is larger than the sum of its proper divisors (9349244).

12431116 is a wasteful number, since it uses less digits than its factorization.

12431116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704 (or 3702 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 12431116 is about 3525.7787792203. The cubic root of 12431116 is about 231.6523479122.

Adding to 12431116 its reverse (61113421), we get a palindrome (73544537).

The spelling of 12431116 in words is "twelve million, four hundred thirty-one thousand, one hundred sixteen".