11587223 has 4 divisors (see below), whose sum is σ = 11594208. Its totient is φ = 11580240.

The previous prime is 11587189. The next prime is 11587229. The reversal of 11587223 is 32278511.

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: 32278511 = 19 ⋅1698869.

It is a cyclic number.

It is not a de Polignac number, because 11587223 - 2¹² = 11583127 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 (11587229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (2898552).

Almost surely, 2^11587223 is an apocalyptic number.

11587223 is a deficient number, since it is larger than the sum of its proper divisors (6985).

11587223 is an equidigital number, since it uses as much as digits as its factorization.

11587223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984.

The product of its digits is 3360, while the sum is 29.

The square root of 11587223 is about 3404.0010282020. The cubic root of 11587223 is about 226.2870956543.

The spelling of 11587223 in words is "eleven million, five hundred eighty-seven thousand, two hundred twenty-three".