12027811 has 2 divisors, whose sum is σ = 12027812. Its totient is φ = 12027810.

The previous prime is 12027803. The next prime is 12027853. The reversal of 12027811 is 11872021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12027811 - 2³ = 12027803 is a prime.

It is not a weakly prime, because it can be changed into another prime (12027881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013905 + 6013906.

It is an arithmetic number, because the mean of its divisors is an integer number (6013906).

Almost surely, 2^12027811 is an apocalyptic number.

12027811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12027811 is an equidigital number, since it uses as much as digits as its factorization.

12027811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 12027811 is about 3468.1134641185. The cubic root of 12027811 is about 229.1195767634.

Adding to 12027811 its reverse (11872021), we get a palindrome (23899832).

The spelling of 12027811 in words is "twelve million, twenty-seven thousand, eight hundred eleven".