11199616 has 32 divisors (see below), whose sum is σ = 22705200. Its totient is φ = 5501184.

The previous prime is 11199581. The next prime is 11199623. The reversal of 11199616 is 61699111.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6811 + ... + 8293.

Almost surely, 2^11199616 is an apocalyptic number.

11199616 is a gapful number since it is divisible by the number (16) 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 11199616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11352600).

11199616 is an abundant number, since it is smaller than the sum of its proper divisors (11505584).

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

11199616 is an equidigital number, since it uses as much as digits as its factorization.

11199616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1544 counting only the distinct ones).

The product of its digits is 2916, while the sum is 34.

The square root of 11199616 is about 3346.5827346713. The cubic root of 11199616 is about 223.7352313838.

The spelling of 11199616 in words is "eleven million, one hundred ninety-nine thousand, six hundred sixteen".