12806517463 has 4 divisors (see below), whose sum is σ = 12930852688. Its totient is φ = 12682182240.

The previous prime is 12806517457. The next prime is 12806517467. The reversal of 12806517463 is 36471560821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36471560821 = 53 ⋅688142657.

It is a cyclic number.

It is not a de Polignac number, because 12806517463 - 2⁹ = 12806516951 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 (12806517467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62167458 + ... + 62167663.

It is an arithmetic number, because the mean of its divisors is an integer number (3232713172).

Almost surely, 2^12806517463 is an apocalyptic number.

12806517463 is a deficient number, since it is larger than the sum of its proper divisors (124335225).

12806517463 is a wasteful number, since it uses less digits than its factorization.

12806517463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124335224.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12806517463 in words is "twelve billion, eight hundred six million, five hundred seventeen thousand, four hundred sixty-three".