12345003 has 24 divisors (see below), whose sum is σ = 20479680. Its totient is φ = 7086960.

The previous prime is 12345001. The next prime is 12345017. The reversal of 12345003 is 30054321.

It is not a de Polignac number, because 12345003 - 2¹ = 12345001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12345001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401 + ... + 5162.

It is an arithmetic number, because the mean of its divisors is an integer number (853320).

Almost surely, 2^12345003 is an apocalyptic number.

12345003 is a deficient number, since it is larger than the sum of its proper divisors (8134677).

12345003 is a wasteful number, since it uses less digits than its factorization.

12345003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599 (or 6596 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12345003 is about 3513.5456450714. The cubic root of 12345003 is about 231.1162062195.

Adding to 12345003 its reverse (30054321), we get a palindrome (42399324).

The spelling of 12345003 in words is "twelve million, three hundred forty-five thousand, three".