12917196 has 18 divisors (see below), whose sum is σ = 32651892. Its totient is φ = 4305720.

The previous prime is 12917183. The next prime is 12917221. The reversal of 12917196 is 69171921.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 358811 = 12917196 / (1 + 2 + 9 + 1 + 7 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 12917196.

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 5 ways as a sum of consecutive naturals, for example, 179370 + ... + 179441.

It is an arithmetic number, because the mean of its divisors is an integer number (1813994).

Almost surely, 2^12917196 is an apocalyptic number.

It is an amenable number.

12917196 is an abundant number, since it is smaller than the sum of its proper divisors (19734696).

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

12917196 is a wasteful number, since it uses less digits than its factorization.

12917196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358821 (or 358816 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 12917196 is about 3594.0500831235. The cubic root of 12917196 is about 234.6331744916.

The spelling of 12917196 in words is "twelve million, nine hundred seventeen thousand, one hundred ninety-six".