12917058 has 64 divisors (see below), whose sum is σ = 32735232. Its totient is φ = 3300480.

The previous prime is 12917039. The next prime is 12917063. The reversal of 12917058 is 85071921.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33535 + ... + 33917.

It is an arithmetic number, because the mean of its divisors is an integer number (511488).

Almost surely, 2^12917058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12917058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16367616).

12917058 is an abundant number, since it is smaller than the sum of its proper divisors (19818174).

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

12917058 is a wasteful number, since it uses less digits than its factorization.

12917058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 12917058 is about 3594.0308846753. The cubic root of 12917058 is about 234.6323389260.

Adding to 12917058 its reverse (85071921), we get a palindrome (97988979).

The spelling of 12917058 in words is "twelve million, nine hundred seventeen thousand, fifty-eight".