12800194 has 16 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 5617360.

The previous prime is 12800191. The next prime is 12800209. The reversal of 12800194 is 49100821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12800191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9394 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320).

Almost surely, 2^12800194 is an apocalyptic number.

12800194 is a deficient number, since it is larger than the sum of its proper divisors (8868926).

12800194 is a wasteful number, since it uses less digits than its factorization.

12800194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12800194 is about 3577.7358762212. The cubic root of 12800194 is about 233.9226008416.

The spelling of 12800194 in words is "twelve million, eight hundred thousand, one hundred ninety-four".