65112712 has 16 divisors (see below), whose sum is σ = 139527360. Its totient is φ = 27905424.

The previous prime is 65112709. The next prime is 65112713. The reversal of 65112712 is 21721156.

It is not an unprimeable number, because it can be changed into a prime (65112713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 581308 + ... + 581419.

It is an arithmetic number, because the mean of its divisors is an integer number (8720460).

Almost surely, 2^65112712 is an apocalyptic number.

It is an amenable number.

65112712 is an abundant number, since it is smaller than the sum of its proper divisors (74414648).

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

65112712 is a wasteful number, since it uses less digits than its factorization.

65112712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162740 (or 1162736 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 65112712 is about 8069.2448221627. The cubic root of 65112712 is about 402.3048437301.

Adding to 65112712 its reverse (21721156), we get a palindrome (86833868).

The spelling of 65112712 in words is "sixty-five million, one hundred twelve thousand, seven hundred twelve".