12603043 has 4 divisors (see below), whose sum is σ = 12616848. Its totient is φ = 12589240.

The previous prime is 12603037. The next prime is 12603047. The reversal of 12603043 is 34030621.

12603043 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 a cyclic number.

It is not a de Polignac number, because 12603043 - 2¹⁷ = 12471971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12603043.

It is not an unprimeable number, because it can be changed into a prime (12603047) 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, 5428 + ... + 7393.

It is an arithmetic number, because the mean of its divisors is an integer number (3154212).

Almost surely, 2^12603043 is an apocalyptic number.

12603043 is a deficient number, since it is larger than the sum of its proper divisors (13805).

12603043 is an equidigital number, since it uses as much as digits as its factorization.

12603043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 12603043 is about 3550.0764780495. The cubic root of 12603043 is about 232.7154083353.

Adding to 12603043 its reverse (34030621), we get a palindrome (46633664).

The spelling of 12603043 in words is "twelve million, six hundred three thousand, forty-three".