12660026087 has 2 divisors, whose sum is σ = 12660026088. Its totient is φ = 12660026086.

The previous prime is 12660026063. The next prime is 12660026111. The reversal of 12660026087 is 78062006621.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12660026063) and next prime (12660026111).

It is a cyclic number.

It is not a de Polignac number, because 12660026087 - 2¹⁸ = 12659763943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12660026087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12660023087) 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, 6330013043 + 6330013044.

It is an arithmetic number, because the mean of its divisors is an integer number (6330013044).

Almost surely, 2^12660026087 is an apocalyptic number.

12660026087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12660026087 is an equidigital number, since it uses as much as digits as its factorization.

12660026087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 12660026087 in words is "twelve billion, six hundred sixty million, twenty-six thousand, eighty-seven".