12868039 has 2 divisors, whose sum is σ = 12868040. Its totient is φ = 12868038.

The previous prime is 12868027. The next prime is 12868103. The reversal of 12868039 is 93086821.

12868039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (93086821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12868039 - 2²¹ = 10770887 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12867989 and 12868007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12868939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434019 + 6434020.

It is an arithmetic number, because the mean of its divisors is an integer number (6434020).

Almost surely, 2^12868039 is an apocalyptic number.

12868039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12868039 is an equidigital number, since it uses as much as digits as its factorization.

12868039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12868039 is about 3587.2049007549. The cubic root of 12868039 is about 234.3351602565.

The spelling of 12868039 in words is "twelve million, eight hundred sixty-eight thousand, thirty-nine".