12864917 has 8 divisors (see below), whose sum is σ = 14022624. Its totient is φ = 11731248.

The previous prime is 12864899. The next prime is 12864941. The reversal of 12864917 is 71946821.

12864917 is digitally balanced in base 3, because in such base 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 a cyclic number.

It is not a de Polignac number, because 12864917 - 2⁶ = 12864853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12864947) by changing a digit.

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, 4883 + ... + 7040.

It is an arithmetic number, because the mean of its divisors is an integer number (1752828).

Almost surely, 2^12864917 is an apocalyptic number.

It is an amenable number.

12864917 is a deficient number, since it is larger than the sum of its proper divisors (1157707).

12864917 is a wasteful number, since it uses less digits than its factorization.

12864917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12019.

The product of its digits is 24192, while the sum is 38.

The square root of 12864917 is about 3586.7697166113. The cubic root of 12864917 is about 234.3162075229.

The spelling of 12864917 in words is "twelve million, eight hundred sixty-four thousand, nine hundred seventeen".