11289193 has 4 divisors (see below), whose sum is σ = 11297860. Its totient is φ = 11280528.

The previous prime is 11289191. The next prime is 11289199. The reversal of 11289193 is 39198211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39198211 = 13 ⋅3015247.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 8219689 = 1752^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 11289193 - 2¹ = 11289191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11289191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (2824465).

Almost surely, 2^11289193 is an apocalyptic number.

It is an amenable number.

11289193 is a deficient number, since it is larger than the sum of its proper divisors (8667).

11289193 is an equidigital number, since it uses as much as digits as its factorization.

11289193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666.

The product of its digits is 3888, while the sum is 34.

The square root of 11289193 is about 3359.9394339779. The cubic root of 11289193 is about 224.3301426971.

The spelling of 11289193 in words is "eleven million, two hundred eighty-nine thousand, one hundred ninety-three".