11289673 has 4 divisors (see below), whose sum is σ = 11653888. Its totient is φ = 10925460.

The previous prime is 11289659. The next prime is 11289721. The reversal of 11289673 is 37698211.

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: 37698211 = 53 ⋅711287.

It is a cyclic number.

It is not a de Polignac number, because 11289673 - 2¹³ = 11281481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11289623) 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, 182061 + ... + 182122.

It is an arithmetic number, because the mean of its divisors is an integer number (2913472).

Almost surely, 2^11289673 is an apocalyptic number.

It is an amenable number.

11289673 is a deficient number, since it is larger than the sum of its proper divisors (364215).

11289673 is an equidigital number, since it uses as much as digits as its factorization.

11289673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364214.

The product of its digits is 18144, while the sum is 37.

The square root of 11289673 is about 3360.0108630777. The cubic root of 11289673 is about 224.3333220488. Note that the first 4 decimals are identical.

It can be divided in two parts, 1128 and 9673, that added together give a palindrome (10801).

The spelling of 11289673 in words is "eleven million, two hundred eighty-nine thousand, six hundred seventy-three".