12431475 has 60 divisors (see below), whose sum is σ = 26347024. Its totient is φ = 5676480.

The previous prime is 12431443. The next prime is 12431479. The reversal of 12431475 is 57413421.

It is not a de Polignac number, because 12431475 - 2⁵ = 12431443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12431479) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13737 + ... + 14613.

Almost surely, 2^12431475 is an apocalyptic number.

12431475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12431475 is an abundant number, since it is smaller than the sum of its proper divisors (13915549).

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

12431475 is an equidigital number, since it uses as much as digits as its factorization.

12431475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 892 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 12431475 is about 3525.8296895908. The cubic root of 12431475 is about 231.6545778647.

Adding to 12431475 its reverse (57413421), we get a palindrome (69844896).

The spelling of 12431475 in words is "twelve million, four hundred thirty-one thousand, four hundred seventy-five".