12917746 has 8 divisors (see below), whose sum is σ = 19395504. Its totient is φ = 6452580.

The previous prime is 12917741. The next prime is 12917761. The reversal of 12917746 is 64771921.

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

It is not an unprimeable number, because it can be changed into a prime (12917741) 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 3 ways as a sum of consecutive naturals, for example, 81 + ... + 5083.

It is an arithmetic number, because the mean of its divisors is an integer number (2424438).

Almost surely, 2^12917746 is an apocalyptic number.

12917746 is a deficient number, since it is larger than the sum of its proper divisors (6477758).

12917746 is a wasteful number, since it uses less digits than its factorization.

12917746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296.

The product of its digits is 21168, while the sum is 37.

The square root of 12917746 is about 3594.1265976590. The cubic root of 12917746 is about 234.6365045851.

The spelling of 12917746 in words is "twelve million, nine hundred seventeen thousand, seven hundred forty-six".