12745232 has 20 divisors (see below), whose sum is σ = 24760320. Its totient is φ = 6355488.

The previous prime is 12745217. The next prime is 12745237. The reversal of 12745232 is 23254721.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12745237) 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, 6833 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (1238016).

Almost surely, 2^12745232 is an apocalyptic number.

It is an amenable number.

12745232 is a deficient number, since it is larger than the sum of its proper divisors (12015088).

12745232 is a wasteful number, since it uses less digits than its factorization.

12745232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2144 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12745232 is about 3570.0464982966. The cubic root of 12745232 is about 233.5873116584.

Adding to 12745232 its reverse (23254721), we get a palindrome (35999953).

The spelling of 12745232 in words is "twelve million, seven hundred forty-five thousand, two hundred thirty-two".