6813420 has 24 divisors (see below), whose sum is σ = 19077744. Its totient is φ = 1816896.

The previous prime is 6813409. The next prime is 6813473. The reversal of 6813420 is 243186.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56719 + ... + 56838.

It is an arithmetic number, because the mean of its divisors is an integer number (794906).

Almost surely, 2^6813420 is an apocalyptic number.

6813420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6813420 is an abundant number, since it is smaller than the sum of its proper divisors (12264324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6813420 is a wasteful number, since it uses less digits than its factorization.

6813420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113569 (or 113567 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6813420 is about 2610.2528613144. The cubic root of 6813420 is about 189.5781963212.

The spelling of 6813420 in words is "six million, eight hundred thirteen thousand, four hundred twenty".