6708121 has 16 divisors (see below), whose sum is σ = 8335360. Its totient is φ = 5268240.

The previous prime is 6708113. The next prime is 6708179. The reversal of 6708121 is 1218076.

It is a cyclic number.

It is not a de Polignac number, because 6708121 - 2³ = 6708113 is a prime.

It is a Duffinian number.

6708121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6708181) 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 15 ways as a sum of consecutive naturals, for example, 3310 + ... + 4936.

It is an arithmetic number, because the mean of its divisors is an integer number (520960).

Almost surely, 2^6708121 is an apocalyptic number.

It is an amenable number.

6708121 is a deficient number, since it is larger than the sum of its proper divisors (1627239).

6708121 is a wasteful number, since it uses less digits than its factorization.

6708121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 6708121 is about 2590.0040540509. The cubic root of 6708121 is about 188.5965002029.

The spelling of 6708121 in words is "six million, seven hundred eight thousand, one hundred twenty-one".