12497312 has 24 divisors (see below), whose sum is σ = 26052516. Its totient is φ = 5880832.

The previous prime is 12497311. The next prime is 12497323. The reversal of 12497312 is 21379421.

12497312 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 2 ways, for example, as 12082576 + 414736 = 3476^2 + 644^2 .

It is not an unprimeable number, because it can be changed into a prime (12497311) 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, 10943 + ... + 12030.

Almost surely, 2^12497312 is an apocalyptic number.

It is an amenable number.

12497312 is an abundant number, since it is smaller than the sum of its proper divisors (13555204).

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

12497312 is a wasteful number, since it uses less digits than its factorization.

12497312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23000 (or 22992 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 12497312 is about 3535.1537448886. The cubic root of 12497312 is about 232.0628050337.

The spelling of 12497312 in words is "twelve million, four hundred ninety-seven thousand, three hundred twelve".