12871241 has 2 divisors, whose sum is σ = 12871242. Its totient is φ = 12871240.

The previous prime is 12871207. The next prime is 12871247. The reversal of 12871241 is 14217821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10374841 + 2496400 = 3221^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 12871241 - 2¹⁰ = 12870217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12871241.

It is not a weakly prime, because it can be changed into another prime (12871247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435620 + 6435621.

It is an arithmetic number, because the mean of its divisors is an integer number (6435621).

Almost surely, 2^12871241 is an apocalyptic number.

It is an amenable number.

12871241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12871241 is an equidigital number, since it uses as much as digits as its factorization.

12871241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 26.

The square root of 12871241 is about 3587.6511814835. The cubic root of 12871241 is about 234.3545954622.

The spelling of 12871241 in words is "twelve million, eight hundred seventy-one thousand, two hundred forty-one".