12366636 has 24 divisors (see below), whose sum is σ = 29346240. Its totient is φ = 4052112.

The previous prime is 12366631. The next prime is 12366637. The reversal of 12366636 is 63666321.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12366597 and 12366606.

It is not an unprimeable number, because it can be changed into a prime (12366631) 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 7 ways as a sum of consecutive naturals, for example, 8026 + ... + 9441.

It is an arithmetic number, because the mean of its divisors is an integer number (1222760).

Almost surely, 2^12366636 is an apocalyptic number.

It is an amenable number.

12366636 is an abundant number, since it is smaller than the sum of its proper divisors (16979604).

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

12366636 is a wasteful number, since it uses less digits than its factorization.

12366636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17533 (or 17531 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 12366636 is about 3516.6228117329. The cubic root of 12366636 is about 231.2511277276.

The spelling of 12366636 in words is "twelve million, three hundred sixty-six thousand, six hundred thirty-six".