12861701 has 2 divisors, whose sum is σ = 12861702. Its totient is φ = 12861700.

The previous prime is 12861637. The next prime is 12861731. The reversal of 12861701 is 10716821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 429025 = 3526^2 + 655^2 .

It is an emirp because it is prime and its reverse (10716821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12861701 - 2⁶ = 12861637 is a prime.

It is a super-2 number, since 2×12861701² = 330846705226802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12861731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6430850 + 6430851.

It is an arithmetic number, because the mean of its divisors is an integer number (6430851).

Almost surely, 2^12861701 is an apocalyptic number.

It is an amenable number.

12861701 is a deficient number, since it is larger than the sum of its proper divisors (1).

12861701 is an equidigital number, since it uses as much as digits as its factorization.

12861701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12861701 is about 3586.3213743333. The cubic root of 12861701 is about 234.2966809369.

The spelling of 12861701 in words is "twelve million, eight hundred sixty-one thousand, seven hundred one".