12866041 has 2 divisors, whose sum is σ = 12866042. Its totient is φ = 12866040.

The previous prime is 12866011. The next prime is 12866069. The reversal of 12866041 is 14066821.

12866041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12866069) can be obtained adding 12866041 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 156816 = 3565^2 + 396^2 .

It is a cyclic number.

It is not a de Polignac number, because 12866041 - 2¹⁵ = 12833273 is a prime.

It is a super-2 number, since 2×12866041² = 331070022027362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12866011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6433020 + 6433021.

It is an arithmetic number, because the mean of its divisors is an integer number (6433021).

Almost surely, 2^12866041 is an apocalyptic number.

It is an amenable number.

12866041 is a deficient number, since it is larger than the sum of its proper divisors (1).

12866041 is an equidigital number, since it uses as much as digits as its factorization.

12866041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12866041 is about 3586.9264001370. The cubic root of 12866041 is about 234.3230313458.

The spelling of 12866041 in words is "twelve million, eight hundred sixty-six thousand, forty-one".