8121308 has 24 divisors (see below), whose sum is σ = 16207632. Its totient is φ = 3527424.

The previous prime is 8121307. The next prime is 8121319. The reversal of 8121308 is 8031218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8121307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3710 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (675318).

Almost surely, 2^8121308 is an apocalyptic number.

It is an amenable number.

8121308 is a deficient number, since it is larger than the sum of its proper divisors (8086324).

8121308 is a wasteful number, since it uses less digits than its factorization.

8121308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221 (or 9219 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8121308 is about 2849.7908695201. The cubic root of 8121308 is about 201.0058330197.

The spelling of 8121308 in words is "eight million, one hundred twenty-one thousand, three hundred eight".