65032812 has 36 divisors (see below), whose sum is σ = 177035040. Its totient is φ = 20009952.

The previous prime is 65032733. The next prime is 65032841. The reversal of 65032812 is 21823056.

65032812 is a `hidden beast` number, since 650 + 3 + 2 + 8 + 1 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69012 + ... + 69947.

It is an arithmetic number, because the mean of its divisors is an integer number (4917640).

Almost surely, 2^65032812 is an apocalyptic number.

It is an amenable number.

65032812 is an abundant number, since it is smaller than the sum of its proper divisors (112002228).

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

65032812 is a wasteful number, since it uses less digits than its factorization.

65032812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138982 (or 138977 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 65032812 is about 8064.2924054129. The cubic root of 65032812 is about 402.1402198900.

Adding to 65032812 its reverse (21823056), we get a palindrome (86855868).

The spelling of 65032812 in words is "sixty-five million, thirty-two thousand, eight hundred twelve".