11822711 has 2 divisors, whose sum is σ = 11822712. Its totient is φ = 11822710.

The previous prime is 11822663. The next prime is 11822717. The reversal of 11822711 is 11722811.

It is a strong prime.

It is an emirp because it is prime and its reverse (11722811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11822711 - 2²² = 7628407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11822717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5911355 + 5911356.

It is an arithmetic number, because the mean of its divisors is an integer number (5911356).

Almost surely, 2^11822711 is an apocalyptic number.

11822711 is a deficient number, since it is larger than the sum of its proper divisors (1).

11822711 is an equidigital number, since it uses as much as digits as its factorization.

11822711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 23.

The square root of 11822711 is about 3438.4169322524. The cubic root of 11822711 is about 227.8097764462.

The spelling of 11822711 in words is "eleven million, eight hundred twenty-two thousand, seven hundred eleven".