12447194 has 8 divisors (see below), whose sum is σ = 18701760. Its totient is φ = 6213276.

The previous prime is 12447187. The next prime is 12447199. The reversal of 12447194 is 49174421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12447194.

It is not an unprimeable number, because it can be changed into a prime (12447199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (2337720).

Almost surely, 2^12447194 is an apocalyptic number.

12447194 is a deficient number, since it is larger than the sum of its proper divisors (6254566).

12447194 is an equidigital number, since it uses as much as digits as its factorization.

12447194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10324.

The product of its digits is 8064, while the sum is 32.

The square root of 12447194 is about 3528.0581060975. The cubic root of 12447194 is about 231.7521754172.

The spelling of 12447194 in words is "twelve million, four hundred forty-seven thousand, one hundred ninety-four".