12660297 has 12 divisors (see below), whose sum is σ = 18279504. Its totient is φ = 7790640.

The previous prime is 12660287. The next prime is 12660299. The reversal of 12660297 is 79206621.

It is not a de Polignac number, because 12660297 - 2⁷ = 12660169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12660299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11979 + ... + 12992.

It is an arithmetic number, because the mean of its divisors is an integer number (1523292).

Almost surely, 2^12660297 is an apocalyptic number.

It is an amenable number.

12660297 is a deficient number, since it is larger than the sum of its proper divisors (5619207).

12660297 is a wasteful number, since it uses less digits than its factorization.

12660297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000 (or 24987 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12660297 is about 3558.1311105691. The cubic root of 12660297 is about 233.0672747462.

The spelling of 12660297 in words is "twelve million, six hundred sixty thousand, two hundred ninety-seven".