6663013 has 4 divisors (see below), whose sum is σ = 7614880. Its totient is φ = 5711148.

The previous prime is 6662993. The next prime is 6663029. The reversal of 6663013 is 3103666.

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 not a de Polignac number, because 6663013 - 2¹³ = 6654821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663043) 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 3 ways as a sum of consecutive naturals, for example, 475923 + ... + 475936.

It is an arithmetic number, because the mean of its divisors is an integer number (1903720).

Almost surely, 2^6663013 is an apocalyptic number.

It is an amenable number.

6663013 is a deficient number, since it is larger than the sum of its proper divisors (951867).

6663013 is an equidigital number, since it uses as much as digits as its factorization.

6663013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951866.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 6663013 is about 2581.2812709970. The cubic root of 6663013 is about 188.1728171735.

Adding to 6663013 its reverse (3103666), we get a palindrome (9766679).

The spelling of 6663013 in words is "six million, six hundred sixty-three thousand, thirteen".