11199667 has 6 divisors (see below), whose sum is σ = 11295284. Its totient is φ = 11104740.

The previous prime is 11199623. The next prime is 11199673. The reversal of 11199667 is 76699111.

It is not a de Polignac number, because 11199667 - 2¹⁵ = 11166899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11199697) 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 5 ways as a sum of consecutive naturals, for example, 36328 + ... + 36634.

Almost surely, 2^11199667 is an apocalyptic number.

11199667 is a deficient number, since it is larger than the sum of its proper divisors (95617).

11199667 is an frugal number, since it uses more digits than its factorization.

11199667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 498 counting only the distinct ones).

The product of its digits is 20412, while the sum is 40.

The square root of 11199667 is about 3346.5903543756. The cubic root of 11199667 is about 223.7355709930.

The spelling of 11199667 in words is "eleven million, one hundred ninety-nine thousand, six hundred sixty-seven".