12453003 has 6 divisors (see below), whose sum is σ = 17987684. Its totient is φ = 8301996.

The previous prime is 12452987. The next prime is 12453011. The reversal of 12453003 is 30035421.

It is not a de Polignac number, because 12453003 - 2⁴ = 12452987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12453013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691825 + ... + 691842.

Almost surely, 2^12453003 is an apocalyptic number.

12453003 is a deficient number, since it is larger than the sum of its proper divisors (5534681).

12453003 is a wasteful number, since it uses less digits than its factorization.

12453003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383673 (or 1383670 counting only the distinct ones).

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

The square root of 12453003 is about 3528.8812674841. The cubic root of 12453003 is about 231.7882220693.

Adding to 12453003 its reverse (30035421), we get a palindrome (42488424).

The spelling of 12453003 in words is "twelve million, four hundred fifty-three thousand, three".