11718812 has 24 divisors (see below), whose sum is σ = 23614080. Its totient is φ = 4984560.

The previous prime is 11718809. The next prime is 11718821. The reversal of 11718812 is 21881711.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 5.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2387 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (983920).

Almost surely, 2^11718812 is an apocalyptic number.

It is an amenable number.

11718812 is an abundant number, since it is smaller than the sum of its proper divisors (11895268).

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

11718812 is a wasteful number, since it uses less digits than its factorization.

11718812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161 (or 3159 counting only the distinct ones).

The product of its digits is 896, while the sum is 29.

The square root of 11718812 is about 3423.2750400749. The cubic root of 11718812 is about 227.1404746775.

The spelling of 11718812 in words is "eleven million, seven hundred eighteen thousand, eight hundred twelve".