12608603 has 4 divisors (see below), whose sum is σ = 14409840. Its totient is φ = 10807368.

The previous prime is 12608597. The next prime is 12608621. The reversal of 12608603 is 30680621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30680621 = 61 ⋅502961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12608603 is a prime.

It is a super-2 number, since 2×12608603² = 317953739223218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12608683) 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, 900608 + ... + 900621.

It is an arithmetic number, because the mean of its divisors is an integer number (3602460).

Almost surely, 2^12608603 is an apocalyptic number.

12608603 is a deficient number, since it is larger than the sum of its proper divisors (1801237).

12608603 is an equidigital number, since it uses as much as digits as its factorization.

12608603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801236.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12608603 is about 3550.8594734233. The cubic root of 12608603 is about 232.7496251364.

The spelling of 12608603 in words is "twelve million, six hundred eight thousand, six hundred three".