12603959 has 2 divisors, whose sum is σ = 12603960. Its totient is φ = 12603958.

The previous prime is 12603947. The next prime is 12603967. The reversal of 12603959 is 95930621.

12603959 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (95930621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12603959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12603259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301979 + 6301980.

It is an arithmetic number, because the mean of its divisors is an integer number (6301980).

Almost surely, 2^12603959 is an apocalyptic number.

12603959 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603959 is an equidigital number, since it uses as much as digits as its factorization.

12603959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 12603959 is about 3550.2054870106. The cubic root of 12603959 is about 232.7210461841.

The spelling of 12603959 in words is "twelve million, six hundred three thousand, nine hundred fifty-nine".