12966235728587

This number is a prime.

                                                             1296 6235728587

The smallest panalphabetical palindromic prime in the hexadecimal (base 16) scale: 12966235728587 = BCAEFDFEACB₁₆. [Note that A₁₆ = 10, B₁₆ = 11, C₁₆ = 12, etc.] [Beedassy]