2012603 has 4 divisors (see below), whose sum is σ = 2015760. Its totient is φ = 2009448.

The previous prime is 2012597. The next prime is 2012611. The reversal of 2012603 is 3062102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3062102 = 2 ⋅1531051.

It is a cyclic number.

It is not a de Polignac number, because 2012603 - 2¹⁴ = 1996219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012663) 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, 248 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (503940).

2^2012603 is an apocalyptic number.

2012603 is a deficient number, since it is larger than the sum of its proper divisors (3157).

2012603 is an equidigital number, since it uses as much as digits as its factorization.

2012603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2012603 is about 1418.6623981765. The cubic root of 2012603 is about 126.2561974542.

Adding to 2012603 its reverse (3062102), we get a palindrome (5074705).

The spelling of 2012603 in words is "two million, twelve thousand, six hundred three".