12881047 has 2 divisors, whose sum is σ = 12881048. Its totient is φ = 12881046.

The previous prime is 12881041. The next prime is 12881051. The reversal of 12881047 is 74018821.

12881047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12881047 - 2⁷ = 12880919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12881041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440523 + 6440524.

It is an arithmetic number, because the mean of its divisors is an integer number (6440524).

Almost surely, 2^12881047 is an apocalyptic number.

12881047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12881047 is an equidigital number, since it uses as much as digits as its factorization.

12881047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12881047 is about 3589.0175535932. The cubic root of 12881047 is about 234.4140949776.

Adding to 12881047 its reverse (74018821), we get a palindrome (86899868).

The spelling of 12881047 in words is "twelve million, eight hundred eighty-one thousand, forty-seven".