6813472 has 24 divisors (see below), whose sum is σ = 13513500. Its totient is φ = 3381504.

The previous prime is 6813409. The next prime is 6813473. The reversal of 6813472 is 2743186.

It can be written as a sum of positive squares in 2 ways, for example, as 5363856 + 1449616 = 2316^2 + 1204^2 .

It is not an unprimeable number, because it can be changed into a prime (6813473) 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, 4054 + ... + 5482.

Almost surely, 2^6813472 is an apocalyptic number.

It is an amenable number.

6813472 is a deficient number, since it is larger than the sum of its proper divisors (6700028).

6813472 is a wasteful number, since it uses less digits than its factorization.

6813472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1580 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 6813472 is about 2610.2628220162. The cubic root of 6813472 is about 189.5786786068.

The spelling of 6813472 in words is "six million, eight hundred thirteen thousand, four hundred seventy-two".