12866234 has 8 divisors (see below), whose sum is σ = 19355700. Its totient is φ = 6414336.

The previous prime is 12866219. The next prime is 12866261. The reversal of 12866234 is 43266821.

It can be written as a sum of positive squares in 2 ways, for example, as 12567025 + 299209 = 3545^2 + 547^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12866234.

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, 8519 + ... + 9914.

Almost surely, 2^12866234 is an apocalyptic number.

12866234 is a deficient number, since it is larger than the sum of its proper divisors (6489466).

12866234 is a wasteful number, since it uses less digits than its factorization.

12866234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18784.

The product of its digits is 13824, while the sum is 32.

The square root of 12866234 is about 3586.9533032924. The cubic root of 12866234 is about 234.3242030121.

The spelling of 12866234 in words is "twelve million, eight hundred sixty-six thousand, two hundred thirty-four".