12431814 has 32 divisors (see below), whose sum is σ = 26369280. Its totient is φ = 3896352.

The previous prime is 12431813. The next prime is 12431821. The reversal of 12431814 is 41813421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431813) 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, 18712 + ... + 19364.

It is an arithmetic number, because the mean of its divisors is an integer number (824040).

Almost surely, 2^12431814 is an apocalyptic number.

12431814 is an abundant number, since it is smaller than the sum of its proper divisors (13937466).

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

12431814 is a wasteful number, since it uses less digits than its factorization.

12431814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 768, while the sum is 24.

The square root of 12431814 is about 3525.8777630542. The cubic root of 12431814 is about 231.6566835464.

The spelling of 12431814 in words is "twelve million, four hundred thirty-one thousand, eight hundred fourteen".