8012840 has 32 divisors (see below), whose sum is σ = 19668960. Its totient is φ = 2913600.

The previous prime is 8012839. The next prime is 8012857. The reversal of 8012840 is 482108.

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, 8666 + ... + 9545.

It is an arithmetic number, because the mean of its divisors is an integer number (614655).

Almost surely, 2^8012840 is an apocalyptic number.

It is an amenable number.

8012840 is an abundant number, since it is smaller than the sum of its proper divisors (11656120).

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

8012840 is a wasteful number, since it uses less digits than its factorization.

8012840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18233 (or 18229 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 8012840 is about 2830.6960274816. The cubic root of 8012840 is about 200.1069428060.

Adding to 8012840 its reverse (482108), we get a palindrome (8494948).

The spelling of 8012840 in words is "eight million, twelve thousand, eight hundred forty".