12917170 has 32 divisors (see below), whose sum is σ = 26800128. Its totient is φ = 4390848.

The previous prime is 12917167. The next prime is 12917171. The reversal of 12917170 is 7171921.

It is not an unprimeable number, because it can be changed into a prime (12917171) 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 15 ways as a sum of consecutive naturals, for example, 8164 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (837504).

Almost surely, 2^12917170 is an apocalyptic number.

12917170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12917170 is an abundant number, since it is smaller than the sum of its proper divisors (13882958).

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

12917170 is a wasteful number, since it uses less digits than its factorization.

12917170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 12917170 is about 3594.0464660324. The cubic root of 12917170 is about 234.6330170666.

The spelling of 12917170 in words is "twelve million, nine hundred seventeen thousand, one hundred seventy".