11199712 has 24 divisors (see below), whose sum is σ = 23009616. Its totient is φ = 5356032.

The previous prime is 11199709. The next prime is 11199731. The reversal of 11199712 is 21799111.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6873 + ... + 8344.

It is an arithmetic number, because the mean of its divisors is an integer number (958734).

Almost surely, 2^11199712 is an apocalyptic number.

It is an amenable number.

11199712 is an abundant number, since it is smaller than the sum of its proper divisors (11809904).

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

11199712 is a wasteful number, since it uses less digits than its factorization.

11199712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15250 (or 15242 counting only the distinct ones).

The product of its digits is 1134, while the sum is 31.

The square root of 11199712 is about 3346.5970776298. The cubic root of 11199712 is about 223.7358706474.

It can be divided in two parts, 11199 and 712, that added together give a palindrome (11911).

The spelling of 11199712 in words is "eleven million, one hundred ninety-nine thousand, seven hundred twelve".