12587873 has 2 divisors, whose sum is σ = 12587874. Its totient is φ = 12587872.

The previous prime is 12587867. The next prime is 12587879. The reversal of 12587873 is 37878521.

It is a balanced prime because it is at equal distance from previous prime (12587867) and next prime (12587879).

It can be written as a sum of positive squares in only one way, i.e., 11404129 + 1183744 = 3377^2 + 1088^2 .

It is an emirp because it is prime and its reverse (37878521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12587873 - 2¹² = 12583777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12587873.

It is not a weakly prime, because it can be changed into another prime (12587879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6293936 + 6293937.

It is an arithmetic number, because the mean of its divisors is an integer number (6293937).

Almost surely, 2^12587873 is an apocalyptic number.

It is an amenable number.

12587873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12587873 is an equidigital number, since it uses as much as digits as its factorization.

12587873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 41.

The square root of 12587873 is about 3547.9392610359. The cubic root of 12587873 is about 232.6219994092.

The spelling of 12587873 in words is "twelve million, five hundred eighty-seven thousand, eight hundred seventy-three".