12917208 has 32 divisors (see below), whose sum is σ = 32448960. Its totient is φ = 4284960.

The previous prime is 12917183. The next prime is 12917221. The reversal of 12917208 is 80271921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4263 + ... + 6633.

It is an arithmetic number, because the mean of its divisors is an integer number (1014030).

Almost surely, 2^12917208 is an apocalyptic number.

It is an amenable number.

12917208 is an abundant number, since it is smaller than the sum of its proper divisors (19531752).

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

12917208 is a wasteful number, since it uses less digits than its factorization.

12917208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12917208 is about 3594.0517525489. The cubic root of 12917208 is about 234.6332471491.

The spelling of 12917208 in words is "twelve million, nine hundred seventeen thousand, two hundred eight".