12864194 has 16 divisors (see below), whose sum is σ = 22765056. Its totient is φ = 5335200.

The previous prime is 12864191. The next prime is 12864209. The reversal of 12864194 is 49146821.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12864191) 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, 14387 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (1422816).

Almost surely, 2^12864194 is an apocalyptic number.

12864194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12864194 is a deficient number, since it is larger than the sum of its proper divisors (9900862).

12864194 is a wasteful number, since it uses less digits than its factorization.

12864194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29681.

The product of its digits is 13824, while the sum is 35.

The square root of 12864194 is about 3586.6689281282. The cubic root of 12864194 is about 234.3118179676.

The spelling of 12864194 in words is "twelve million, eight hundred sixty-four thousand, one hundred ninety-four".