11199272 has 32 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 4773120.

The previous prime is 11199269. The next prime is 11199313. The reversal of 11199272 is 27299111.

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 7 ways as a sum of consecutive naturals, for example, 12272 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^11199272 is an apocalyptic number.

It is an amenable number.

11199272 is an abundant number, since it is smaller than the sum of its proper divisors (12932248).

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

11199272 is a wasteful number, since it uses less digits than its factorization.

11199272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1117 counting only the distinct ones).

The product of its digits is 2268, while the sum is 32.

The square root of 11199272 is about 3346.5313385654. The cubic root of 11199272 is about 223.7329406592.

The spelling of 11199272 in words is "eleven million, one hundred ninety-nine thousand, two hundred seventy-two".