12447193 has 8 divisors (see below), whose sum is σ = 13782240. Its totient is φ = 11146080.

The previous prime is 12447187. The next prime is 12447199. The reversal of 12447193 is 39174421.

It is an interprime number because it is at equal distance from previous prime (12447187) and next prime (12447199).

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

It is a de Polignac number, because none of the positive numbers 2^k-12447193 is a prime.

It is a super-2 number, since 2×12447193² = 309865227158498, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (1722780).

Almost surely, 2^12447193 is an apocalyptic number.

It is an amenable number.

12447193 is a deficient number, since it is larger than the sum of its proper divisors (1335047).

12447193 is a wasteful number, since it uses less digits than its factorization.

12447193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967.

The product of its digits is 6048, while the sum is 31.

The square root of 12447193 is about 3528.0579643764. The cubic root of 12447193 is about 231.7521692110.

The spelling of 12447193 in words is "twelve million, four hundred forty-seven thousand, one hundred ninety-three".