11272203 has 20 divisors (see below), whose sum is σ = 16930320. Its totient is φ = 7474032.

The previous prime is 11272193. The next prime is 11272211. The reversal of 11272203 is 30227211.

It is not a de Polignac number, because 11272203 - 2⁸ = 11271947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11272103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25458 + ... + 25896.

It is an arithmetic number, because the mean of its divisors is an integer number (846516).

Almost surely, 2^11272203 is an apocalyptic number.

11272203 is a deficient number, since it is larger than the sum of its proper divisors (5658117).

11272203 is an equidigital number, since it uses as much as digits as its factorization.

11272203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 11272203 is about 3357.4101626105. The cubic root of 11272203 is about 224.2175487991.

Adding to 11272203 its reverse (30227211), we get a palindrome (41499414).

The spelling of 11272203 in words is "eleven million, two hundred seventy-two thousand, two hundred three".