9012645 has 24 divisors (see below), whose sum is σ = 16047096. Its totient is φ = 4675968.

The previous prime is 9012637. The next prime is 9012659. The reversal of 9012645 is 5462109.

9012645 is a `hidden beast` number, since 9 + 0 + 12 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1361889 + 7650756 = 1167^2 + 2766^2 .

It is not a de Polignac number, because 9012645 - 2³ = 9012637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1042 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (668629).

Almost surely, 2^9012645 is an apocalyptic number.

It is an amenable number.

9012645 is a deficient number, since it is larger than the sum of its proper divisors (7034451).

9012645 is a wasteful number, since it uses less digits than its factorization.

9012645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461 (or 5458 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 9012645 is about 3002.1067602602. The cubic root of 9012645 is about 208.1057539761.

The spelling of 9012645 in words is "nine million, twelve thousand, six hundred forty-five".