12608003 has 4 divisors (see below), whose sum is σ = 12615360. Its totient is φ = 12600648.

The previous prime is 12607939. The next prime is 12608017. The reversal of 12608003 is 30080621.

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: 30080621 = 109 ⋅275969.

It is a cyclic number.

It is not a de Polignac number, because 12608003 - 2⁶ = 12607939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12608023) 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, 401 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (3153840).

Almost surely, 2^12608003 is an apocalyptic number.

12608003 is a deficient number, since it is larger than the sum of its proper divisors (7357).

12608003 is an equidigital number, since it uses as much as digits as its factorization.

12608003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12608003 is about 3550.7749858306. The cubic root of 12608003 is about 232.7459331601.

Adding to 12608003 its reverse (30080621), we get a palindrome (42688624).

The spelling of 12608003 in words is "twelve million, six hundred eight thousand, three".