12066811 has 2 divisors, whose sum is σ = 12066812. Its totient is φ = 12066810.

The previous prime is 12066809. The next prime is 12066829. The reversal of 12066811 is 11866021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12066811 - 2¹ = 12066809 is a prime.

Together with 12066809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12066511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6033405 + 6033406.

It is an arithmetic number, because the mean of its divisors is an integer number (6033406).

Almost surely, 2^12066811 is an apocalyptic number.

12066811 is the 1554-th centered decagonal number.

12066811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12066811 is an equidigital number, since it uses as much as digits as its factorization.

12066811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12066811 is about 3473.7315670616. The cubic root of 12066811 is about 229.3669485402.

The spelling of 12066811 in words is "twelve million, sixty-six thousand, eight hundred eleven".