12431125 has 16 divisors (see below), whose sum is σ = 17731584. Its totient is φ = 8523600.

The previous prime is 12431117. The next prime is 12431143. The reversal of 12431125 is 52113421.

12431125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12431125 - 2³ = 12431117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6229 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (1108224).

Almost surely, 2^12431125 is an apocalyptic number.

It is an amenable number.

12431125 is a deficient number, since it is larger than the sum of its proper divisors (5300459).

12431125 is an equidigital number, since it uses as much as digits as its factorization.

12431125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14229 (or 14219 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 12431125 is about 3525.7800555338. The cubic root of 12431125 is about 231.6524038169.

Adding to 12431125 its reverse (52113421), we get a palindrome (64544546).

The spelling of 12431125 in words is "twelve million, four hundred thirty-one thousand, one hundred twenty-five".