11472211 has 4 divisors (see below), whose sum is σ = 11491024. Its totient is φ = 11453400.

The previous prime is 11472203. The next prime is 11472217. The reversal of 11472211 is 11227411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11472211 - 2³ = 11472203 is a prime.

It is a super-2 number, since 2×11472211² = 263223250457042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11472217) 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 3 ways as a sum of consecutive naturals, for example, 8460 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (2872756).

Almost surely, 2^11472211 is an apocalyptic number.

11472211 is a deficient number, since it is larger than the sum of its proper divisors (18813).

11472211 is an equidigital number, since it uses as much as digits as its factorization.

11472211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18812.

The product of its digits is 112, while the sum is 19.

The square root of 11472211 is about 3387.0652488548. The cubic root of 11472211 is about 225.5359142933.

Adding to 11472211 its reverse (11227411), we get a palindrome (22699622).

The spelling of 11472211 in words is "eleven million, four hundred seventy-two thousand, two hundred eleven".