12167872 has 28 divisors (see below), whose sum is σ = 24928576. Its totient is φ = 5886720.

The previous prime is 12167867. The next prime is 12167873. The reversal of 12167872 is 27876121.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12167873) 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, 1083 + ... + 5050.

Almost surely, 2^12167872 is an apocalyptic number.

It is an amenable number.

12167872 is an abundant number, since it is smaller than the sum of its proper divisors (12760704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12167872 is an equidigital number, since it uses as much as digits as its factorization.

12167872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176 (or 6166 counting only the distinct ones).

The product of its digits is 9408, while the sum is 34.

The square root of 12167872 is about 3488.2476976270. The cubic root of 12167872 is about 230.0054945127.

The spelling of 12167872 in words is "twelve million, one hundred sixty-seven thousand, eight hundred seventy-two".