12828911 has 2 divisors, whose sum is σ = 12828912. Its totient is φ = 12828910.

The previous prime is 12828853. The next prime is 12828913. The reversal of 12828911 is 11982821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12828911 - 2⁶ = 12828847 is a prime.

Together with 12828913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12828913) 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, 6414455 + 6414456.

It is an arithmetic number, because the mean of its divisors is an integer number (6414456).

Almost surely, 2^12828911 is an apocalyptic number.

12828911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828911 is an equidigital number, since it uses as much as digits as its factorization.

12828911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 32.

The square root of 12828911 is about 3581.7469201494. The cubic root of 12828911 is about 234.0974038695.

The spelling of 12828911 in words is "twelve million, eight hundred twenty-eight thousand, nine hundred eleven".