3630013 has 4 divisors (see below), whose sum is σ = 3635008. Its totient is φ = 3625020.

The previous prime is 3629999. The next prime is 3630019. The reversal of 3630013 is 3100363.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3630013 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 (3630019) 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, 1173 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (908752).

Almost surely, 2^3630013 is an apocalyptic number.

It is an amenable number.

3630013 is a deficient number, since it is larger than the sum of its proper divisors (4995).

3630013 is an equidigital number, since it uses as much as digits as its factorization.

3630013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 3630013 is about 1905.2592999379. The cubic root of 3630013 is about 153.6866202734.

Adding to 3630013 its reverse (3100363), we get a palindrome (6730376).

The spelling of 3630013 in words is "three million, six hundred thirty thousand, thirteen".