12973317 has 8 divisors (see below), whose sum is σ = 19768896. Its totient is φ = 7413312.

The previous prime is 12973309. The next prime is 12973319. The reversal of 12973317 is 71337921.

It is a happy number.

12973317 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12973317 - 2³ = 12973309 is a prime.

12973317 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308868 + ... + 308909.

It is an arithmetic number, because the mean of its divisors is an integer number (2471112).

Almost surely, 2^12973317 is an apocalyptic number.

It is an amenable number.

12973317 is a deficient number, since it is larger than the sum of its proper divisors (6795579).

12973317 is an equidigital number, since it uses as much as digits as its factorization.

12973317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617787.

The product of its digits is 7938, while the sum is 33.

The square root of 12973317 is about 3601.8491084442. The cubic root of 12973317 is about 234.9724850840.

The spelling of 12973317 in words is "twelve million, nine hundred seventy-three thousand, three hundred seventeen".