12864941 has 2 divisors, whose sum is σ = 12864942. Its totient is φ = 12864940.

The previous prime is 12864899. The next prime is 12864947. The reversal of 12864941 is 14946821.

It is a happy number.

12864941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 990025 = 3446^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 12864941 - 2⁶ = 12864877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12864947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6432470 + 6432471.

It is an arithmetic number, because the mean of its divisors is an integer number (6432471).

Almost surely, 2^12864941 is an apocalyptic number.

It is an amenable number.

12864941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12864941 is an equidigital number, since it uses as much as digits as its factorization.

12864941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 12864941 is about 3586.7730622385. The cubic root of 12864941 is about 234.3163532315.

The spelling of 12864941 in words is "twelve million, eight hundred sixty-four thousand, nine hundred forty-one".