12888943 has 2 divisors, whose sum is σ = 12888944. Its totient is φ = 12888942.

The previous prime is 12888937. The next prime is 12888971. The reversal of 12888943 is 34988821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12888943 is a prime.

It is a super-2 number, since 2×12888943² = 332249703314498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12888943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12888143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444471 + 6444472.

It is an arithmetic number, because the mean of its divisors is an integer number (6444472).

Almost surely, 2^12888943 is an apocalyptic number.

12888943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12888943 is an equidigital number, since it uses as much as digits as its factorization.

12888943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 43.

The square root of 12888943 is about 3590.1174075509. The cubic root of 12888943 is about 234.4619833110.

It can be divided in two parts, 12888 and 943, that added together give a palindrome (13831).

The spelling of 12888943 in words is "twelve million, eight hundred eighty-eight thousand, nine hundred forty-three".