8012564 has 12 divisors (see below), whose sum is σ = 16025184. Its totient is φ = 3433944.

The previous prime is 8012561. The next prime is 8012573. The reversal of 8012564 is 4652108.

8012564 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143054 + ... + 143109.

It is an arithmetic number, because the mean of its divisors is an integer number (1335432).

Almost surely, 2^8012564 is an apocalyptic number.

It is an amenable number.

8012564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8012564 is a wasteful number, since it uses less digits than its factorization.

8012564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286174 (or 286172 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8012564 is about 2830.6472758011. The cubic root of 8012564 is about 200.1046452373.

The spelling of 8012564 in words is "eight million, twelve thousand, five hundred sixty-four".