4003013 has 8 divisors (see below), whose sum is σ = 4600128. Its totient is φ = 3412224.

The previous prime is 4003001. The next prime is 4003019. The reversal of 4003013 is 3103004.

4003013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4003013 - 2⁴ = 4002997 is a prime.

It is a super-2 number, since 2×4003013² = 32048226156338, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4002985 and 4003003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (575016).

Almost surely, 2^4003013 is an apocalyptic number.

It is an amenable number.

4003013 is a deficient number, since it is larger than the sum of its proper divisors (597115).

4003013 is a wasteful number, since it uses less digits than its factorization.

4003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 4003013 is about 2000.7531082070. The cubic root of 4003013 is about 158.7799521883.

Adding to 4003013 its reverse (3103004), we get a palindrome (7106017).

Subtracting from 4003013 its reverse (3103004), we obtain a palindrome (900009).

The spelling of 4003013 in words is "four million, three thousand, thirteen".