12603109 has 2 divisors, whose sum is σ = 12603110. Its totient is φ = 12603108.

The previous prime is 12603091. The next prime is 12603119. The reversal of 12603109 is 90130621.

Together with previous prime (12603091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11710084 + 893025 = 3422^2 + 945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12603109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12603109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12603119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301554 + 6301555.

It is an arithmetic number, because the mean of its divisors is an integer number (6301555).

Almost surely, 2^12603109 is an apocalyptic number.

It is an amenable number.

12603109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603109 is an equidigital number, since it uses as much as digits as its factorization.

12603109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 12603109 is about 3550.0857736117. The cubic root of 12603109 is about 232.7158145650.

The spelling of 12603109 in words is "twelve million, six hundred three thousand, one hundred nine".