9012520 has 32 divisors (see below), whose sum is σ = 22122720. Its totient is φ = 3277120.

The previous prime is 9012467. The next prime is 9012529. The reversal of 9012520 is 252109.

It is not an unprimeable number, because it can be changed into a prime (9012529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802 + ... + 10681.

It is an arithmetic number, because the mean of its divisors is an integer number (691335).

Almost surely, 2^9012520 is an apocalyptic number.

It is an amenable number.

9012520 is an abundant number, since it is smaller than the sum of its proper divisors (13110200).

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

9012520 is a wasteful number, since it uses less digits than its factorization.

9012520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505 (or 20501 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 9012520 is about 3002.0859414747. The cubic root of 9012520 is about 208.1047918708.

Adding to 9012520 its reverse (252109), we get a palindrome (9264629).

The spelling of 9012520 in words is "nine million, twelve thousand, five hundred twenty".