12168842 has 8 divisors (see below), whose sum is σ = 20860896. Its totient is φ = 5215212.

The previous prime is 12168839. The next prime is 12168851. The reversal of 12168842 is 24886121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12168799 and 12168808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434588 + ... + 434615.

It is an arithmetic number, because the mean of its divisors is an integer number (2607612).

Almost surely, 2^12168842 is an apocalyptic number.

12168842 is a deficient number, since it is larger than the sum of its proper divisors (8692054).

12168842 is an equidigital number, since it uses as much as digits as its factorization.

12168842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869212.

The product of its digits is 6144, while the sum is 32.

The square root of 12168842 is about 3488.3867331476. The cubic root of 12168842 is about 230.0116062196.

The spelling of 12168842 in words is "twelve million, one hundred sixty-eight thousand, eight hundred forty-two".