12727863 has 6 divisors (see below), whose sum is σ = 18384704. Its totient is φ = 8485236.

The previous prime is 12727843. The next prime is 12727877. The reversal of 12727863 is 36872721.

12727863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12727863 - 2⁵ = 12727831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12727843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 707095 + ... + 707112.

Almost surely, 2^12727863 is an apocalyptic number.

12727863 is a deficient number, since it is larger than the sum of its proper divisors (5656841).

12727863 is a wasteful number, since it uses less digits than its factorization.

12727863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414213 (or 1414210 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 12727863 is about 3567.6130675845. The cubic root of 12727863 is about 233.4811537259.

The spelling of 12727863 in words is "twelve million, seven hundred twenty-seven thousand, eight hundred sixty-three".