12772811 has 2 divisors, whose sum is σ = 12772812. Its totient is φ = 12772810.

The previous prime is 12772801. The next prime is 12772817. The reversal of 12772811 is 11827721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12772811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12772817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386405 + 6386406.

It is an arithmetic number, because the mean of its divisors is an integer number (6386406).

Almost surely, 2^12772811 is an apocalyptic number.

12772811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12772811 is an equidigital number, since it uses as much as digits as its factorization.

12772811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1568, while the sum is 29.

The square root of 12772811 is about 3573.9069657729. The cubic root of 12772811 is about 233.7556743168.

The spelling of 12772811 in words is "twelve million, seven hundred seventy-two thousand, eight hundred eleven".