6947813 has 8 divisors (see below), whose sum is σ = 7265280. Its totient is φ = 6636240.

The previous prime is 6947803. The next prime is 6947821. The reversal of 6947813 is 3187496.

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

It is a cyclic number.

It is not a de Polignac number, because 6947813 - 2⁸ = 6947557 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 (6947803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (908160).

Almost surely, 2^6947813 is an apocalyptic number.

It is an amenable number.

6947813 is a deficient number, since it is larger than the sum of its proper divisors (317467).

6947813 is a wasteful number, since it uses less digits than its factorization.

6947813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its digits is 36288, while the sum is 38.

The square root of 6947813 is about 2635.8704444642. The cubic root of 6947813 is about 190.8165503739.

It can be divided in two parts, 6 and 947813, that multiplied together give a triangular number (5686878 = T₃₃₇₂).

The spelling of 6947813 in words is "six million, nine hundred forty-seven thousand, eight hundred thirteen".