12864967 has 2 divisors, whose sum is σ = 12864968. Its totient is φ = 12864966.

The previous prime is 12864959. The next prime is 12864983. The reversal of 12864967 is 76946821.

12864967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12864967 - 2³ = 12864959 is a prime.

It is a super-2 number, since 2×12864967² = 331014751822178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12864947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6432483 + 6432484.

It is an arithmetic number, because the mean of its divisors is an integer number (6432484).

Almost surely, 2^12864967 is an apocalyptic number.

12864967 is a deficient number, since it is larger than the sum of its proper divisors (1).

12864967 is an equidigital number, since it uses as much as digits as its factorization.

12864967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 12864967 is about 3586.7766866645. The cubic root of 12864967 is about 234.3165110822.

It can be divided in two parts, 12864 and 967, that added together give a palindrome (13831).

The spelling of 12864967 in words is "twelve million, eight hundred sixty-four thousand, nine hundred sixty-seven".