11273189 has 4 divisors (see below), whose sum is σ = 11464320. Its totient is φ = 11082060.

The previous prime is 11273183. The next prime is 11273203. The reversal of 11273189 is 98137211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98137211 = 149 ⋅658639.

It is a cyclic number.

It is not a de Polignac number, because 11273189 - 2⁴ = 11273173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273183) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95477 + ... + 95594.

It is an arithmetic number, because the mean of its divisors is an integer number (2866080).

Almost surely, 2^11273189 is an apocalyptic number.

It is an amenable number.

11273189 is a deficient number, since it is larger than the sum of its proper divisors (191131).

11273189 is an equidigital number, since it uses as much as digits as its factorization.

11273189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191130.

The product of its digits is 3024, while the sum is 32.

The square root of 11273189 is about 3357.5569987716. The cubic root of 11273189 is about 224.2240861801.

The spelling of 11273189 in words is "eleven million, two hundred seventy-three thousand, one hundred eighty-nine".