12973617 has 24 divisors (see below), whose sum is σ = 19319040. Its totient is φ = 8386560.

The previous prime is 12973613. The next prime is 12973627. The reversal of 12973617 is 71637921.

It is a happy number.

12973617 is a `hidden beast` number, since 1 + 297 + 361 + 7 = 666.

It is not a de Polignac number, because 12973617 - 2² = 12973613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12973613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50353 + ... + 50609.

It is an arithmetic number, because the mean of its divisors is an integer number (804960).

Almost surely, 2^12973617 is an apocalyptic number.

It is an amenable number.

12973617 is a deficient number, since it is larger than the sum of its proper divisors (6345423).

12973617 is a wasteful number, since it uses less digits than its factorization.

12973617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 410 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 12973617 is about 3601.8907534793. The cubic root of 12973617 is about 234.9742962682.

The spelling of 12973617 in words is "twelve million, nine hundred seventy-three thousand, six hundred seventeen".