12868238 has 8 divisors (see below), whose sum is σ = 19383840. Its totient is φ = 6406960.

The previous prime is 12868217. The next prime is 12868283. The reversal of 12868238 is 83286821.

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

It is a congruent number.

It is an unprimeable number.

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, 12983 + ... + 13938.

It is an arithmetic number, because the mean of its divisors is an integer number (2422980).

Almost surely, 2^12868238 is an apocalyptic number.

12868238 is a deficient number, since it is larger than the sum of its proper divisors (6515602).

12868238 is a wasteful number, since it uses less digits than its factorization.

12868238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27162.

The product of its digits is 36864, while the sum is 38.

The square root of 12868238 is about 3587.2326381209. The cubic root of 12868238 is about 234.3363682223.

The spelling of 12868238 in words is "twelve million, eight hundred sixty-eight thousand, two hundred thirty-eight".