12022711 has 4 divisors (see below), whose sum is σ = 12036112. Its totient is φ = 12009312.

The previous prime is 12022697. The next prime is 12022727. The reversal of 12022711 is 11722021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11722021 = 1487 ⋅7883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250 + ... + 7183.

It is an arithmetic number, because the mean of its divisors is an integer number (3009028).

Almost surely, 2^12022711 is an apocalyptic number.

12022711 is a deficient number, since it is larger than the sum of its proper divisors (13401).

12022711 is an equidigital number, since it uses as much as digits as its factorization.

12022711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 12022711 is about 3467.3781160987. The cubic root of 12022711 is about 229.0871886302.

Adding to 12022711 its reverse (11722021), we get a palindrome (23744732).

The spelling of 12022711 in words is "twelve million, twenty-two thousand, seven hundred eleven".