12863116 has 12 divisors (see below), whose sum is σ = 25726288. Its totient is φ = 5512752.

The previous prime is 12863113. The next prime is 12863117. The reversal of 12863116 is 61136821.

12863116 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 459397 = 12863116 / (1 + 2 + 8 + 6 + 3 + 1 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (12863113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229671 + ... + 229726.

Almost surely, 2^12863116 is an apocalyptic number.

It is an amenable number.

12863116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12863116 is a wasteful number, since it uses less digits than its factorization.

12863116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459408 (or 459406 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 12863116 is about 3586.5186462641. The cubic root of 12863116 is about 234.3052727928.

Adding to 12863116 its reverse (61136821), we get a palindrome (73999937).

The spelling of 12863116 in words is "twelve million, eight hundred sixty-three thousand, one hundred sixteen".