12724266547 has 2 divisors, whose sum is σ = 12724266548. Its totient is φ = 12724266546.

The previous prime is 12724266521. The next prime is 12724266587. The reversal of 12724266547 is 74566242721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12724266547 - 2³¹ = 10576782899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12724266497 and 12724266506.

It is not a weakly prime, because it can be changed into another prime (12724266587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362133273 + 6362133274.

It is an arithmetic number, because the mean of its divisors is an integer number (6362133274).

Almost surely, 2^12724266547 is an apocalyptic number.

12724266547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12724266547 is an equidigital number, since it uses as much as digits as its factorization.

12724266547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 46.

The spelling of 12724266547 in words is "twelve billion, seven hundred twenty-four million, two hundred sixty-six thousand, five hundred forty-seven".