12497306 has 4 divisors (see below), whose sum is σ = 18745962. Its totient is φ = 6248652.

The previous prime is 12497297. The next prime is 12497311. The reversal of 12497306 is 60379421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60379421 = 29 ⋅2082049.

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 5784025 = 2591^2 + 2405^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3124325 + ... + 3124328.

Almost surely, 2^12497306 is an apocalyptic number.

12497306 is a deficient number, since it is larger than the sum of its proper divisors (6248656).

12497306 is an equidigital number, since it uses as much as digits as its factorization.

12497306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248655.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 12497306 is about 3535.1528962691. The cubic root of 12497306 is about 232.0627678956.

The spelling of 12497306 in words is "twelve million, four hundred ninety-seven thousand, three hundred six".