12194906 has 8 divisors (see below), whose sum is σ = 18923220. Its totient is φ = 5887168.

The previous prime is 12194881. The next prime is 12194909. The reversal of 12194906 is 60949121.

It can be written as a sum of positive squares in 2 ways, for example, as 11282881 + 912025 = 3359^2 + 955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12194909) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 105071 + ... + 105186.

Almost surely, 2^12194906 is an apocalyptic number.

12194906 is a deficient number, since it is larger than the sum of its proper divisors (6728314).

12194906 is a wasteful number, since it uses less digits than its factorization.

12194906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210288.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12194906 is about 3492.1205592018. The cubic root of 12194906 is about 230.1757069455.

The spelling of 12194906 in words is "twelve million, one hundred ninety-four thousand, nine hundred six".