11927711 has 2 divisors, whose sum is σ = 11927712. Its totient is φ = 11927710.

The previous prime is 11927683. The next prime is 11927743. The reversal of 11927711 is 11772911.

It is a weak prime.

It is an emirp because it is prime and its reverse (11772911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11927711 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11927791) 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, 5963855 + 5963856.

It is an arithmetic number, because the mean of its divisors is an integer number (5963856).

Almost surely, 2^11927711 is an apocalyptic number.

11927711 is a deficient number, since it is larger than the sum of its proper divisors (1).

11927711 is an equidigital number, since it uses as much as digits as its factorization.

11927711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 29.

The square root of 11927711 is about 3453.6518353766. The cubic root of 11927711 is about 228.4821986716.

The spelling of 11927711 in words is "eleven million, nine hundred twenty-seven thousand, seven hundred eleven".