12866284 has 6 divisors (see below), whose sum is σ = 22516004. Its totient is φ = 6433140.

The previous prime is 12866281. The next prime is 12866309. The reversal of 12866284 is 48266821.

It is not an unprimeable number, because it can be changed into a prime (12866281) 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 as a sum of consecutive naturals, namely, 1608282 + ... + 1608289.

Almost surely, 2^12866284 is an apocalyptic number.

It is an amenable number.

12866284 is a deficient number, since it is larger than the sum of its proper divisors (9649720).

12866284 is a wasteful number, since it uses less digits than its factorization.

12866284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216575 (or 3216573 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 12866284 is about 3586.9602729888. The cubic root of 12866284 is about 234.3245065507.

The spelling of 12866284 in words is "twelve million, eight hundred sixty-six thousand, two hundred eighty-four".