12585103 has 4 divisors (see below), whose sum is σ = 12596040. Its totient is φ = 12574168.

The previous prime is 12585091. The next prime is 12585121. The reversal of 12585103 is 30158521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30158521 = 29 ⋅1039949.

It is a cyclic number.

It is not a de Polignac number, because 12585103 - 2¹⁷ = 12454031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12585173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3508 + ... + 6121.

It is an arithmetic number, because the mean of its divisors is an integer number (3149010).

Almost surely, 2^12585103 is an apocalyptic number.

12585103 is a deficient number, since it is larger than the sum of its proper divisors (10937).

12585103 is an equidigital number, since it uses as much as digits as its factorization.

12585103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10936.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 12585103 is about 3547.5488721087. The cubic root of 12585103 is about 232.6049350964.

The spelling of 12585103 in words is "twelve million, five hundred eighty-five thousand, one hundred three".