12313232 has 10 divisors (see below), whose sum is σ = 23856918. Its totient is φ = 6156608.

The previous prime is 12313229. The next prime is 12313237. The reversal of 12313232 is 23231321.

12313232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10863616 + 1449616 = 3296^2 + 1204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12313232.

It is not an unprimeable number, because it can be changed into a prime (12313237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384773 + ... + 384804.

Almost surely, 2^12313232 is an apocalyptic number.

It is an amenable number.

12313232 is a deficient number, since it is larger than the sum of its proper divisors (11543686).

12313232 is an equidigital number, since it uses as much as digits as its factorization.

12313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769585 (or 769579 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 12313232 is about 3509.0215160355. The cubic root of 12313232 is about 230.9177696233.

Adding to 12313232 its reverse (23231321), we get a palindrome (35544553).

The spelling of 12313232 in words is "twelve million, three hundred thirteen thousand, two hundred thirty-two".