12772211 has 2 divisors, whose sum is σ = 12772212. Its totient is φ = 12772210.

The previous prime is 12772181. The next prime is 12772213. The reversal of 12772211 is 11227721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12772211 is a prime.

Together with 12772213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12772213) 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, 6386105 + 6386106.

It is an arithmetic number, because the mean of its divisors is an integer number (6386106).

Almost surely, 2^12772211 is an apocalyptic number.

12772211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12772211 is an equidigital number, since it uses as much as digits as its factorization.

12772211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392, while the sum is 23.

The square root of 12772211 is about 3573.8230230385. The cubic root of 12772211 is about 233.7520140523.

Adding to 12772211 its reverse (11227721), we get a palindrome (23999932).

The spelling of 12772211 in words is "twelve million, seven hundred seventy-two thousand, two hundred eleven".