11199944 has 16 divisors (see below), whose sum is σ = 24000000. Its totient is φ = 4799952.

The previous prime is 11199943. The next prime is 11199967. The reversal of 11199944 is 44999111.

11199944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11199898 and 11199907.

It is not an unprimeable number, because it can be changed into a prime (11199943) 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, 99944 + ... + 100055.

It is an arithmetic number, because the mean of its divisors is an integer number (1500000).

Almost surely, 2^11199944 is an apocalyptic number.

11199944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11199944 is an abundant number, since it is smaller than the sum of its proper divisors (12800056).

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

11199944 is a wasteful number, since it uses less digits than its factorization.

11199944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200012 (or 200008 counting only the distinct ones).

The product of its digits is 11664, while the sum is 38.

The square root of 11199944 is about 3346.6317395256. The cubic root of 11199944 is about 223.7374155193.

The spelling of 11199944 in words is "eleven million, one hundred ninety-nine thousand, nine hundred forty-four".