8121324 has 24 divisors (see below), whose sum is σ = 19391680. Its totient is φ = 2643984.

The previous prime is 8121319. The next prime is 8121331. The reversal of 8121324 is 4231218.

It is a self number, because there is not a number n which added to its sum of digits gives 8121324.

It is an unprimeable number.

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, 7354 + ... + 8385.

Almost surely, 2^8121324 is an apocalyptic number.

It is an amenable number.

8121324 is an abundant number, since it is smaller than the sum of its proper divisors (11270356).

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

8121324 is a wasteful number, since it uses less digits than its factorization.

8121324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15789 (or 15787 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 8121324 is about 2849.7936767422. The cubic root of 8121324 is about 201.0059650219.

The spelling of 8121324 in words is "eight million, one hundred twenty-one thousand, three hundred twenty-four".