12724827567 has 4 divisors (see below), whose sum is σ = 16966436760. Its totient is φ = 8483218376.

The previous prime is 12724827547. The next prime is 12724827613. The reversal of 12724827567 is 76572842721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76572842721 = 3 ⋅25524280907.

It is a cyclic number.

It is not a de Polignac number, because 12724827567 - 2⁷ = 12724827439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724827547) 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, 2120804592 + ... + 2120804597.

It is an arithmetic number, because the mean of its divisors is an integer number (4241609190).

Almost surely, 2^12724827567 is an apocalyptic number.

12724827567 is a deficient number, since it is larger than the sum of its proper divisors (4241609193).

12724827567 is an equidigital number, since it uses as much as digits as its factorization.

12724827567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241609192.

The product of its digits is 2634240, while the sum is 51.

The spelling of 12724827567 in words is "twelve billion, seven hundred twenty-four million, eight hundred twenty-seven thousand, five hundred sixty-seven".