12817183387 has 2 divisors, whose sum is σ = 12817183388. Its totient is φ = 12817183386.

The previous prime is 12817183277. The next prime is 12817183391. The reversal of 12817183387 is 78338171821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12817183387 - 2⁷ = 12817183259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12817183387.

It is not a weakly prime, because it can be changed into another prime (12817181387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6408591693 + 6408591694.

It is an arithmetic number, because the mean of its divisors is an integer number (6408591694).

Almost surely, 2^12817183387 is an apocalyptic number.

12817183387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12817183387 is an equidigital number, since it uses as much as digits as its factorization.

12817183387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 49.

The spelling of 12817183387 in words is "twelve billion, eight hundred seventeen million, one hundred eighty-three thousand, three hundred eighty-seven".