6220013 has 4 divisors (see below), whose sum is σ = 6226080. Its totient is φ = 6213948.

The previous prime is 6220003. The next prime is 6220043. The reversal of 6220013 is 3100226.

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 6220013 - 2⁸ = 6219757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220003) 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, 1073 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (1556520).

Almost surely, 2^6220013 is an apocalyptic number.

It is an amenable number.

6220013 is a deficient number, since it is larger than the sum of its proper divisors (6067).

6220013 is a wasteful number, since it uses less digits than its factorization.

6220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 6220013 is about 2493.9953889292. The cubic root of 6220013 is about 183.9065077179.

Adding to 6220013 its reverse (3100226), we get a palindrome (9320239).

The spelling of 6220013 in words is "six million, two hundred twenty thousand, thirteen".