12724266587 has 2 divisors, whose sum is σ = 12724266588. Its totient is φ = 12724266586.

The previous prime is 12724266547. The next prime is 12724266623. The reversal of 12724266587 is 78566242721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12724266587 - 2¹² = 12724262491 is a prime.

It is not a weakly prime, because it can be changed into another prime (12724266547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362133293 + 6362133294.

It is an arithmetic number, because the mean of its divisors is an integer number (6362133294).

Almost surely, 2^12724266587 is an apocalyptic number.

12724266587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12724266587 is an equidigital number, since it uses as much as digits as its factorization.

12724266587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 50.

The spelling of 12724266587 in words is "twelve billion, seven hundred twenty-four million, two hundred sixty-six thousand, five hundred eighty-seven".