12871051 has 2 divisors, whose sum is σ = 12871052. Its totient is φ = 12871050.

The previous prime is 12871049. The next prime is 12871063. The reversal of 12871051 is 15017821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12871051 - 2¹ = 12871049 is a prime.

Together with 12871049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12871021) 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, 6435525 + 6435526.

It is an arithmetic number, because the mean of its divisors is an integer number (6435526).

Almost surely, 2^12871051 is an apocalyptic number.

12871051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12871051 is an equidigital number, since it uses as much as digits as its factorization.

12871051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 12871051 is about 3587.6247016654. The cubic root of 12871051 is about 234.3534423076.

Adding to 12871051 its reverse (15017821), we get a palindrome (27888872).

The spelling of 12871051 in words is "twelve million, eight hundred seventy-one thousand, fifty-one".