11116812 has 48 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 3138432.

The previous prime is 11116811. The next prime is 11116829. The reversal of 11116812 is 21861111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11116811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6733 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^11116812 is an apocalyptic number.

11116812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11116812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999040).

11116812 is an abundant number, since it is smaller than the sum of its proper divisors (18881268).

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

11116812 is a wasteful number, since it uses less digits than its factorization.

11116812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1588 counting only the distinct ones).

The product of its digits is 96, while the sum is 21.

The square root of 11116812 is about 3334.1883570068. The cubic root of 11116812 is about 223.1824737976.

Adding to 11116812 its reverse (21861111), we get a palindrome (32977923).

The spelling of 11116812 in words is "eleven million, one hundred sixteen thousand, eight hundred twelve".