12268386 has 72 divisors (see below), whose sum is σ = 29832660. Its totient is φ = 3639168.

The previous prime is 12268379. The next prime is 12268411. The reversal of 12268386 is 68386221.

12268386 is a `hidden beast` number, since 12 + 268 + 386 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 5377761 + 6890625 = 2319^2 + 2625^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12268386.

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 35 ways as a sum of consecutive naturals, for example, 112500 + ... + 112608.

Almost surely, 2^12268386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12268386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14916330).

12268386 is an abundant number, since it is smaller than the sum of its proper divisors (17564274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12268386 is a wasteful number, since it uses less digits than its factorization.

12268386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 164 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12268386 is about 3502.6255866136. The cubic root of 12268386 is about 230.6370868585.

The spelling of 12268386 in words is "twelve million, two hundred sixty-eight thousand, three hundred eighty-six".