12585603 has 4 divisors (see below), whose sum is σ = 16780808. Its totient is φ = 8390400.

The previous prime is 12585571. The next prime is 12585649. The reversal of 12585603 is 30658521.

12585603 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30658521 = 3 ⋅10219507.

It is not a de Polignac number, because 12585603 - 2⁵ = 12585571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12585403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2097598 + ... + 2097603.

It is an arithmetic number, because the mean of its divisors is an integer number (4195202).

Almost surely, 2^12585603 is an apocalyptic number.

12585603 is a deficient number, since it is larger than the sum of its proper divisors (4195205).

12585603 is an equidigital number, since it uses as much as digits as its factorization.

12585603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195204.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12585603 is about 3547.6193426015. The cubic root of 12585603 is about 232.6080154824.

The spelling of 12585603 in words is "twelve million, five hundred eighty-five thousand, six hundred three".