12550003 has 4 divisors (see below), whose sum is σ = 12568608. Its totient is φ = 12531400.

The previous prime is 12550001. The next prime is 12550033. The reversal of 12550003 is 30005521.

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 12550003 - 2¹ = 12550001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12550001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8251 + ... + 9652.

It is an arithmetic number, because the mean of its divisors is an integer number (3142152).

Almost surely, 2^12550003 is an apocalyptic number.

12550003 is a deficient number, since it is larger than the sum of its proper divisors (18605).

12550003 is an equidigital number, since it uses as much as digits as its factorization.

12550003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18604.

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

The square root of 12550003 is about 3542.5983402017. The cubic root of 12550003 is about 232.3884877820.

Adding to 12550003 its reverse (30005521), we get a palindrome (42555524).

The spelling of 12550003 in words is "twelve million, five hundred fifty thousand, three".