12445312 has 32 divisors (see below), whose sum is σ = 27050400. Its totient is φ = 5656320.

The previous prime is 12445297. The next prime is 12445319. The reversal of 12445312 is 21354421.

12445312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12445319) 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, 3012 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (845325).

Almost surely, 2^12445312 is an apocalyptic number.

It is an amenable number.

12445312 is an abundant number, since it is smaller than the sum of its proper divisors (14605088).

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

12445312 is an equidigital number, since it uses as much as digits as its factorization.

12445312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864 (or 8852 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 12445312 is about 3527.7913770517. The cubic root of 12445312 is about 231.7404946165.

Adding to 12445312 its reverse (21354421), we get a palindrome (33799733).

It can be divided in two parts, 1244 and 5312, that added together give a palindrome (6556).

The spelling of 12445312 in words is "twelve million, four hundred forty-five thousand, three hundred twelve".