12750503 has 4 divisors (see below), whose sum is σ = 12799248. Its totient is φ = 12701760.

The previous prime is 12750499. The next prime is 12750511. The reversal of 12750503 is 30505721.

12750503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12750503 - 2² = 12750499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23978 + ... + 24503.

It is an arithmetic number, because the mean of its divisors is an integer number (3199812).

Almost surely, 2^12750503 is an apocalyptic number.

12750503 is a deficient number, since it is larger than the sum of its proper divisors (48745).

12750503 is an equidigital number, since it uses as much as digits as its factorization.

12750503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48744.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 12750503 is about 3570.7846476650. The cubic root of 12750503 is about 233.6195085098.

The spelling of 12750503 in words is "twelve million, seven hundred fifty thousand, five hundred three".