12170794 has 4 divisors (see below), whose sum is σ = 18256194. Its totient is φ = 6085396.

The previous prime is 12170783. The next prime is 12170801. The reversal of 12170794 is 49707121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10989225 + 1181569 = 3315^2 + 1087^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3042697 + ... + 3042700.

Almost surely, 2^12170794 is an apocalyptic number.

12170794 is a deficient number, since it is larger than the sum of its proper divisors (6085400).

12170794 is an equidigital number, since it uses as much as digits as its factorization.

12170794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085399.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12170794 is about 3488.6665074209. Note that the first 3 decimals coincide. The cubic root of 12170794 is about 230.0239042578.

It can be divided in two parts, 121707 and 94, that added together give a square (121801 = 349²).

The spelling of 12170794 in words is "twelve million, one hundred seventy thousand, seven hundred ninety-four".