12716534827 has 4 divisors (see below), whose sum is σ = 12720998056. Its totient is φ = 12712071600.

The previous prime is 12716534819. The next prime is 12716534839. The reversal of 12716534827 is 72843561721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72843561721 = 7 ⋅10406223103.

It is a cyclic number.

It is not a de Polignac number, because 12716534827 - 2³ = 12716534819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12716534027) 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, 2227338 + ... + 2233039.

It is an arithmetic number, because the mean of its divisors is an integer number (3180249514).

Almost surely, 2^12716534827 is an apocalyptic number.

12716534827 is a deficient number, since it is larger than the sum of its proper divisors (4463229).

12716534827 is an equidigital number, since it uses as much as digits as its factorization.

12716534827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463228.

The product of its digits is 564480, while the sum is 46.

The spelling of 12716534827 in words is "twelve billion, seven hundred sixteen million, five hundred thirty-four thousand, eight hundred twenty-seven".