11204771 has 2 divisors, whose sum is σ = 11204772. Its totient is φ = 11204770.

The previous prime is 11204729. The next prime is 11204773. The reversal of 11204771 is 17740211.

It is a strong prime.

It is an emirp because it is prime and its reverse (17740211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11204771 is a prime.

Together with 11204773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11204773) 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 as a sum of consecutive naturals, namely, 5602385 + 5602386.

It is an arithmetic number, because the mean of its divisors is an integer number (5602386).

Almost surely, 2^11204771 is an apocalyptic number.

11204771 is a deficient number, since it is larger than the sum of its proper divisors (1).

11204771 is an equidigital number, since it uses as much as digits as its factorization.

11204771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 11204771 is about 3347.3528347039. The cubic root of 11204771 is about 223.7695533405.

Adding to 11204771 its reverse (17740211), we get a palindrome (28944982).

The spelling of 11204771 in words is "eleven million, two hundred four thousand, seven hundred seventy-one".