12647117 has 8 divisors (see below), whose sum is σ = 14790336. Its totient is φ = 10588032.

The previous prime is 12647113. The next prime is 12647143. The reversal of 12647117 is 71174621.

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

It is not a de Polignac number, because 12647117 - 2² = 12647113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12647117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12647113) 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 7 ways as a sum of consecutive naturals, for example, 20708 + ... + 21309.

It is an arithmetic number, because the mean of its divisors is an integer number (1848792).

Almost surely, 2^12647117 is an apocalyptic number.

It is an amenable number.

12647117 is a deficient number, since it is larger than the sum of its proper divisors (2143219).

12647117 is an equidigital number, since it uses as much as digits as its factorization.

12647117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42067.

The product of its digits is 2352, while the sum is 29.

The square root of 12647117 is about 3556.2785323987. The cubic root of 12647117 is about 232.9863684486.

The spelling of 12647117 in words is "twelve million, six hundred forty-seven thousand, one hundred seventeen".