6871223 has 4 divisors (see below), whose sum is σ = 6983928. Its totient is φ = 6758520.

The previous prime is 6871211. The next prime is 6871253. The reversal of 6871223 is 3221786.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221786 = 2 ⋅1610893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6871223 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 (6871253) 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, 56261 + ... + 56382.

It is an arithmetic number, because the mean of its divisors is an integer number (1745982).

Almost surely, 2^6871223 is an apocalyptic number.

6871223 is a deficient number, since it is larger than the sum of its proper divisors (112705).

6871223 is a wasteful number, since it uses less digits than its factorization.

6871223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112704.

The product of its digits is 4032, while the sum is 29.

The square root of 6871223 is about 2621.3017758358. The cubic root of 6871223 is about 190.1127954438.

The spelling of 6871223 in words is "six million, eight hundred seventy-one thousand, two hundred twenty-three".