9015012 has 36 divisors (see below), whose sum is σ = 23115456. Its totient is φ = 2961840.

The previous prime is 9015001. The next prime is 9015029. The reversal of 9015012 is 2105109.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (642096).

Almost surely, 2^9015012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9015012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11557728).

9015012 is an abundant number, since it is smaller than the sum of its proper divisors (14100444).

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

9015012 is a wasteful number, since it uses less digits than its factorization.

9015012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 9015012 is about 3002.5009575352. The cubic root of 9015012 is about 208.1239707224.

Subtracting from 9015012 its reverse (2105109), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 9015012 in words is "nine million, fifteen thousand, twelve".