10003013 has 4 divisors (see below), whose sum is σ = 10009440. Its totient is φ = 9996588.

The previous prime is 10003003. The next prime is 10003027. The reversal of 10003013 is 31030001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10003013 - 2¹⁸ = 9740869 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 (10003003) 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, 758 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (2502360).

Almost surely, 2^10003013 is an apocalyptic number.

It is an amenable number.

10003013 is a deficient number, since it is larger than the sum of its proper divisors (6427).

10003013 is an equidigital number, since it uses as much as digits as its factorization.

10003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 10003013 is about 3162.7540214187. The cubic root of 10003013 is about 215.4651045361.

Adding to 10003013 its reverse (31030001), we get a palindrome (41033014).

The spelling of 10003013 in words is "ten million, three thousand, thirteen".