11199867 has 8 divisors (see below), whose sum is σ = 17066496. Its totient is φ = 6399912.

The previous prime is 11199857. The next prime is 11199869. The reversal of 11199867 is 76899111.

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

It is not a de Polignac number, because 11199867 - 2¹¹ = 11197819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11199869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266643 + ... + 266684.

It is an arithmetic number, because the mean of its divisors is an integer number (2133312).

Almost surely, 2^11199867 is an apocalyptic number.

11199867 is a deficient number, since it is larger than the sum of its proper divisors (5866629).

11199867 is an equidigital number, since it uses as much as digits as its factorization.

11199867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533337.

The product of its digits is 27216, while the sum is 42.

The square root of 11199867 is about 3346.6202354017. The cubic root of 11199867 is about 223.7369027840.

The spelling of 11199867 in words is "eleven million, one hundred ninety-nine thousand, eight hundred sixty-seven".