65706012 has 24 divisors (see below), whose sum is σ = 170349200. Its totient is φ = 21901968.

The previous prime is 65706007. The next prime is 65706013. The reversal of 65706012 is 21060756.

65706012 is a `hidden beast` number, since 6 + 57 + 0 + 601 + 2 = 666.

65706012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65706013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304087 + ... + 304302.

Almost surely, 2^65706012 is an apocalyptic number.

It is an amenable number.

65706012 is an abundant number, since it is smaller than the sum of its proper divisors (104643188).

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

65706012 is a wasteful number, since it uses less digits than its factorization.

65706012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608402 (or 608394 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 65706012 is about 8105.9245000185. The cubic root of 65706012 is about 403.5230705014.

Adding to 65706012 its reverse (21060756), we get a palindrome (86766768).

The spelling of 65706012 in words is "sixty-five million, seven hundred six thousand, twelve".