12603856073 has 2 divisors, whose sum is σ = 12603856074. Its totient is φ = 12603856072.

The previous prime is 12603856019. The next prime is 12603856079. The reversal of 12603856073 is 37065830621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11387450944 + 1216405129 = 106712^2 + 34877^2 .

It is a cyclic number.

It is not a de Polignac number, because 12603856073 - 2¹² = 12603851977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12603856073.

It is not a weakly prime, because it can be changed into another prime (12603856079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301928036 + 6301928037.

It is an arithmetic number, because the mean of its divisors is an integer number (6301928037).

Almost surely, 2^12603856073 is an apocalyptic number.

It is an amenable number.

12603856073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603856073 is an equidigital number, since it uses as much as digits as its factorization.

12603856073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 12603856073 in words is "twelve billion, six hundred three million, eight hundred fifty-six thousand, seventy-three".