11584621 has 2 divisors, whose sum is σ = 11584622. Its totient is φ = 11584620.

The previous prime is 11584609. The next prime is 11584631. The reversal of 11584621 is 12648511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 1022121 = 3250^2 + 1011^2 .

It is an emirp because it is prime and its reverse (12648511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11584621 - 2⁹ = 11584109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11584621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11584631) 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 as a sum of consecutive naturals, namely, 5792310 + 5792311.

It is an arithmetic number, because the mean of its divisors is an integer number (5792311).

Almost surely, 2^11584621 is an apocalyptic number.

It is an amenable number.

11584621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11584621 is an equidigital number, since it uses as much as digits as its factorization.

11584621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 11584621 is about 3403.6188094439. The cubic root of 11584621 is about 226.2701562173.

The spelling of 11584621 in words is "eleven million, five hundred eighty-four thousand, six hundred twenty-one".