11199808 has 28 divisors (see below), whose sum is σ = 22453600. Its totient is φ = 5542272.

The previous prime is 11199763. The next prime is 11199809. The reversal of 11199808 is 80899111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11199809) 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, 5743 + ... + 7441.

Almost surely, 2^11199808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11199808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11226800).

11199808 is an abundant number, since it is smaller than the sum of its proper divisors (11253792).

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

11199808 is a wasteful number, since it uses less digits than its factorization.

11199808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 37.

The square root of 11199808 is about 3346.6114205267. The cubic root of 11199808 is about 223.7365099073.

The spelling of 11199808 in words is "eleven million, one hundred ninety-nine thousand, eight hundred eight".