12168238 has 8 divisors (see below), whose sum is σ = 18268200. Its totient is φ = 6078840.

The previous prime is 12168223. The next prime is 12168239. The reversal of 12168238 is 83286121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12168239) by changing a digit.

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, 1608 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (2283525).

Almost surely, 2^12168238 is an apocalyptic number.

12168238 is a deficient number, since it is larger than the sum of its proper divisors (6099962).

12168238 is a wasteful number, since it uses less digits than its factorization.

12168238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282.

The product of its digits is 4608, while the sum is 31.

The square root of 12168238 is about 3488.3001591033. The cubic root of 12168238 is about 230.0078006176.

The spelling of 12168238 in words is "twelve million, one hundred sixty-eight thousand, two hundred thirty-eight".