11199942 has 48 divisors (see below), whose sum is σ = 27282528. Its totient is φ = 3294720.

The previous prime is 11199931. The next prime is 11199943. The reversal of 11199942 is 24999111.

It is a junction number, because it is equal to n+sod(n) for n = 11199897 and 11199906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11199943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4342 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (568386).

Almost surely, 2^11199942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11199942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13641264).

11199942 is an abundant number, since it is smaller than the sum of its proper divisors (16082586).

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

11199942 is a wasteful number, since it uses less digits than its factorization.

11199942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125 (or 2122 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 11199942 is about 3346.6314407177. The cubic root of 11199942 is about 223.7374022016.

The spelling of 11199942 in words is "eleven million, one hundred ninety-nine thousand, nine hundred forty-two".