12870194 has 4 divisors (see below), whose sum is σ = 19305294. Its totient is φ = 6435096.

The previous prime is 12870167. The next prime is 12870199. The reversal of 12870194 is 49107821.

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., 8614225 + 4255969 = 2935^2 + 2063^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12870194.

It is not an unprimeable number, because it can be changed into a prime (12870199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217547 + ... + 3217550.

Almost surely, 2^12870194 is an apocalyptic number.

12870194 is a deficient number, since it is larger than the sum of its proper divisors (6435100).

12870194 is an equidigital number, since it uses as much as digits as its factorization.

12870194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435099.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12870194 is about 3587.5052613202. The cubic root of 12870194 is about 234.3482408324.

The spelling of 12870194 in words is "twelve million, eight hundred seventy thousand, one hundred ninety-four".