11216808 has 48 divisors (see below), whose sum is σ = 31093920. Its totient is φ = 3650976.

The previous prime is 11216791. The next prime is 11216813. The reversal of 11216808 is 80861211.

11216808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (647790).

Almost surely, 2^11216808 is an apocalyptic number.

11216808 is a gapful number since it is divisible by the number (18) 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 11216808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15546960).

11216808 is an abundant number, since it is smaller than the sum of its proper divisors (19877112).

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

11216808 is a wasteful number, since it uses less digits than its factorization.

11216808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 11216808 is about 3349.1503400116. The cubic root of 11216808 is about 223.8496546403.

The spelling of 11216808 in words is "eleven million, two hundred sixteen thousand, eight hundred eight".