12730863 has 16 divisors (see below), whose sum is σ = 17616896. Its totient is φ = 8169120.

The previous prime is 12730853. The next prime is 12730877. The reversal of 12730863 is 36803721.

12730863 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 12730863 - 2⁵ = 12730831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12730863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33945 + ... + 34317.

It is an arithmetic number, because the mean of its divisors is an integer number (1101056).

Almost surely, 2^12730863 is an apocalyptic number.

12730863 is a deficient number, since it is larger than the sum of its proper divisors (4886033).

12730863 is a wasteful number, since it uses less digits than its factorization.

12730863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 12730863 is about 3568.0334919953. The cubic root of 12730863 is about 233.4994963819.

The spelling of 12730863 in words is "twelve million, seven hundred thirty thousand, eight hundred sixty-three".