12050503 has 4 divisors (see below), whose sum is σ = 12684760. Its totient is φ = 11416248.

The previous prime is 12050497. The next prime is 12050509. The reversal of 12050503 is 30505021.

12050503 is digitally balanced in base 3, 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 an interprime number because it is at equal distance from previous prime (12050497) and next prime (12050509).

It is a cyclic number.

It is not a de Polignac number, because 12050503 - 2¹³ = 12042311 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 (12050509) 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 3 ways as a sum of consecutive naturals, for example, 317100 + ... + 317137.

It is an arithmetic number, because the mean of its divisors is an integer number (3171190).

Almost surely, 2^12050503 is an apocalyptic number.

12050503 is a deficient number, since it is larger than the sum of its proper divisors (634257).

12050503 is an equidigital number, since it uses as much as digits as its factorization.

12050503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634256.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 12050503 is about 3471.3834417995. The cubic root of 12050503 is about 229.2635740161.

Adding to 12050503 its reverse (30505021), we get a palindrome (42555524).

The spelling of 12050503 in words is "twelve million, fifty thousand, five hundred three".