12814863786 has 24 divisors (see below), whose sum is σ = 27768773604. Its totient is φ = 4271123520.

The previous prime is 12814863781. The next prime is 12814863791. The reversal of 12814863786 is 68736841821.

12814863786 is a `hidden beast` number, since 1 + 2 + 81 + 486 + 3 + 7 + 86 = 666.

It is an interprime number because it is at equal distance from previous prime (12814863781) and next prime (12814863791).

It can be written as a sum of positive squares in 2 ways, for example, as 11519943561 + 1294920225 = 107331^2 + 35985^2 .

It is not an unprimeable number, because it can be changed into a prime (12814863781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138360 + ... + 211596.

Almost surely, 2^12814863786 is an apocalyptic number.

12814863786 is an abundant number, since it is smaller than the sum of its proper divisors (14953909818).

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

12814863786 is a wasteful number, since it uses less digits than its factorization.

12814863786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82966 (or 82963 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 12814863786 in words is "twelve billion, eight hundred fourteen million, eight hundred sixty-three thousand, seven hundred eighty-six".