12917075 has 12 divisors (see below), whose sum is σ = 16074120. Its totient is φ = 10296960.

The previous prime is 12917063. The next prime is 12917083. The reversal of 12917075 is 57071921.

It is not a de Polignac number, because 12917075 - 2⁶ = 12917011 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 7931 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (1339510).

Almost surely, 2^12917075 is an apocalyptic number.

12917075 is a deficient number, since it is larger than the sum of its proper divisors (3157045).

12917075 is a wasteful number, since it uses less digits than its factorization.

12917075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 12917075 is about 3594.0332497071. The cubic root of 12917075 is about 234.6324418583.

Adding to 12917075 its reverse (57071921), we get a palindrome (69988996).

The spelling of 12917075 in words is "twelve million, nine hundred seventeen thousand, seventy-five".