11199849 has 8 divisors (see below), whose sum is σ = 15101280. Its totient is φ = 7382496.

The previous prime is 11199841. The next prime is 11199857. The reversal of 11199849 is 94899111.

11199849 = T₂₆₂ + T₂₆₃ + ... + T₄₃₉.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11199841) and next prime (11199857).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11199849 - 2³ = 11199841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11199849.

It is not an unprimeable number, because it can be changed into a prime (11199841) 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 7 ways as a sum of consecutive naturals, for example, 20707 + ... + 21240.

It is an arithmetic number, because the mean of its divisors is an integer number (1887660).

Almost surely, 2^11199849 is an apocalyptic number.

It is an amenable number.

11199849 is a deficient number, since it is larger than the sum of its proper divisors (3901431).

11199849 is an equidigital number, since it uses as much as digits as its factorization.

11199849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42039.

The product of its digits is 23328, while the sum is 42.

The square root of 11199849 is about 3346.6175461203. The cubic root of 11199849 is about 223.7367829235.

The spelling of 11199849 in words is "eleven million, one hundred ninety-nine thousand, eight hundred forty-nine".