12427232 has 12 divisors (see below), whose sum is σ = 24466176. Its totient is φ = 6213600.

The previous prime is 12427231. The next prime is 12427237. The reversal of 12427232 is 23272421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12427198 and 12427207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194144 + ... + 194207.

It is an arithmetic number, because the mean of its divisors is an integer number (2038848).

Almost surely, 2^12427232 is an apocalyptic number.

It is an amenable number.

12427232 is a deficient number, since it is larger than the sum of its proper divisors (12038944).

12427232 is an equidigital number, since it uses as much as digits as its factorization.

12427232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388361 (or 388353 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 12427232 is about 3525.2279358929. The cubic root of 12427232 is about 231.6282194419.

Adding to 12427232 its reverse (23272421), we get a palindrome (35699653).

The spelling of 12427232 in words is "twelve million, four hundred twenty-seven thousand, two hundred thirty-two".