12503241 has 20 divisors (see below), whose sum is σ = 18812112. Its totient is φ = 8275608.

The previous prime is 12503233. The next prime is 12503243. The reversal of 12503241 is 14230521.

It is not a de Polignac number, because 12503241 - 2³ = 12503233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12503243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12730 + ... + 13676.

Almost surely, 2^12503241 is an apocalyptic number.

It is an amenable number.

12503241 is a deficient number, since it is larger than the sum of its proper divisors (6308871).

12503241 is an equidigital number, since it uses as much as digits as its factorization.

12503241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12503241 is about 3535.9922228421. The cubic root of 12503241 is about 232.0994977999.

Adding to 12503241 its reverse (14230521), we get a palindrome (26733762).

The spelling of 12503241 in words is "twelve million, five hundred three thousand, two hundred forty-one".