6722013 has 8 divisors (see below), whose sum is σ = 8984128. Its totient is φ = 4470624.

The previous prime is 6721999. The next prime is 6722039. The reversal of 6722013 is 3102276.

It is a happy number.

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

It is not a de Polignac number, because 6722013 - 2⁹ = 6721501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722063) 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 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 3822.

It is an arithmetic number, because the mean of its divisors is an integer number (1123016).

Almost surely, 2^6722013 is an apocalyptic number.

It is an amenable number.

6722013 is a deficient number, since it is larger than the sum of its proper divisors (2262115).

6722013 is a wasteful number, since it uses less digits than its factorization.

6722013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 6722013 is about 2592.6845160952. The cubic root of 6722013 is about 188.7266000259.

Adding to 6722013 its reverse (3102276), we get a palindrome (9824289).

The spelling of 6722013 in words is "six million, seven hundred twenty-two thousand, thirteen".