12676387687 has 2 divisors, whose sum is σ = 12676387688. Its totient is φ = 12676387686.

The previous prime is 12676387663. The next prime is 12676387697. The reversal of 12676387687 is 78678367621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12676387687 - 2²³ = 12667999079 is a prime.

It is a super-2 number, since 2×12676387687² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12676387697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338193843 + 6338193844.

It is an arithmetic number, because the mean of its divisors is an integer number (6338193844).

Almost surely, 2^12676387687 is an apocalyptic number.

12676387687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12676387687 is an equidigital number, since it uses as much as digits as its factorization.

12676387687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 61.

The spelling of 12676387687 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-seven thousand, six hundred eighty-seven".