11204621 has 2 divisors, whose sum is σ = 11204622. Its totient is φ = 11204620.

The previous prime is 11204587. The next prime is 11204647. The reversal of 11204621 is 12640211.

11204621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 148996 = 3325^2 + 386^2 .

It is an emirp because it is prime and its reverse (12640211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11204621 - 2¹⁴ = 11188237 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11204621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11209621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5602310 + 5602311.

It is an arithmetic number, because the mean of its divisors is an integer number (5602311).

Almost surely, 2^11204621 is an apocalyptic number.

It is an amenable number.

11204621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11204621 is an equidigital number, since it uses as much as digits as its factorization.

11204621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 11204621 is about 3347.3304288642. The cubic root of 11204621 is about 223.7685547901.

Adding to 11204621 its reverse (12640211), we get a palindrome (23844832).

The spelling of 11204621 in words is "eleven million, two hundred four thousand, six hundred twenty-one".