11448289 has 4 divisors (see below), whose sum is σ = 11477524. Its totient is φ = 11419056.

The previous prime is 11448287. The next prime is 11448299. The reversal of 11448289 is 98284411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7480225 + 3968064 = 2735^2 + 1992^2 .

It is a cyclic number.

It is not a de Polignac number, because 11448289 - 2¹ = 11448287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11448287) 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, 14022 + ... + 14815.

It is an arithmetic number, because the mean of its divisors is an integer number (2869381).

Almost surely, 2^11448289 is an apocalyptic number.

It is an amenable number.

11448289 is a deficient number, since it is larger than the sum of its proper divisors (29235).

11448289 is an equidigital number, since it uses as much as digits as its factorization.

11448289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29234.

The product of its digits is 18432, while the sum is 37.

The square root of 11448289 is about 3383.5320302902. The cubic root of 11448289 is about 225.3790417547.

The spelling of 11448289 in words is "eleven million, four hundred forty-eight thousand, two hundred eighty-nine".