12003013 has 16 divisors (see below), whose sum is σ = 13685760. Its totient is φ = 10427200.

The previous prime is 12003011. The next prime is 12003073. The reversal of 12003013 is 31030021.

It is a cyclic number.

It is not a de Polignac number, because 12003013 - 2¹ = 12003011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003011) 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 15 ways as a sum of consecutive naturals, for example, 60831 + ... + 61027.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^12003013 is an apocalyptic number.

It is an amenable number.

12003013 is a deficient number, since it is larger than the sum of its proper divisors (1682747).

12003013 is a wasteful number, since it uses less digits than its factorization.

12003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12003013 is about 3464.5364769331. The cubic root of 12003013 is about 228.9620081517.

Adding to 12003013 its reverse (31030021), we get a palindrome (43033034).

The spelling of 12003013 in words is "twelve million, three thousand, thirteen".