12739559587 has 2 divisors, whose sum is σ = 12739559588. Its totient is φ = 12739559586.

The previous prime is 12739559549. The next prime is 12739559621. The reversal of 12739559587 is 78595593721.

12739559587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12739559587 - 2¹⁵ = 12739526819 is a prime.

It is a super-2 number, since 2×12739559587² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12739559087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6369779793 + 6369779794.

It is an arithmetic number, because the mean of its divisors is an integer number (6369779794).

Almost surely, 2^12739559587 is an apocalyptic number.

12739559587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12739559587 is an equidigital number, since it uses as much as digits as its factorization.

12739559587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814000, while the sum is 61.

The spelling of 12739559587 in words is "twelve billion, seven hundred thirty-nine million, five hundred fifty-nine thousand, five hundred eighty-seven".