12503033 has 4 divisors (see below), whose sum is σ = 12598608. Its totient is φ = 12407460.

The previous prime is 12503027. The next prime is 12503047. The reversal of 12503033 is 33030521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12503033 - 2⁴ = 12503017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12503233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47591 + ... + 47852.

It is an arithmetic number, because the mean of its divisors is an integer number (3149652).

Almost surely, 2^12503033 is an apocalyptic number.

It is an amenable number.

12503033 is a deficient number, since it is larger than the sum of its proper divisors (95575).

12503033 is an equidigital number, since it uses as much as digits as its factorization.

12503033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95574.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 12503033 is about 3535.9628108904. The cubic root of 12503033 is about 232.0982107479.

Adding to 12503033 its reverse (33030521), we get a palindrome (45533554).

The spelling of 12503033 in words is "twelve million, five hundred three thousand, thirty-three".