11866736 has 20 divisors (see below), whose sum is σ = 26276592. Its totient is φ = 5085696.

The previous prime is 11866717. The next prime is 11866739. The reversal of 11866736 is 63766811.

It is a Smith number, since the sum of its digits (38) 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 11866736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11866739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52865 + ... + 53088.

Almost surely, 2^11866736 is an apocalyptic number.

11866736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11866736 is an abundant number, since it is smaller than the sum of its proper divisors (14409856).

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

11866736 is a wasteful number, since it uses less digits than its factorization.

11866736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105968 (or 105962 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 11866736 is about 3444.8129121913. The cubic root of 11866736 is about 228.0921962214.

The spelling of 11866736 in words is "eleven million, eight hundred sixty-six thousand, seven hundred thirty-six".