65012808 has 96 divisors (see below), whose sum is σ = 192477600. Its totient is φ = 18240768.

The previous prime is 65012807. The next prime is 65012873. The reversal of 65012808 is 80821056.

It is not an unprimeable number, because it can be changed into a prime (65012807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68916 + ... + 69852.

It is an arithmetic number, because the mean of its divisors is an integer number (2004975).

Almost surely, 2^65012808 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 65012808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96238800).

65012808 is an abundant number, since it is smaller than the sum of its proper divisors (127464792).

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

65012808 is a wasteful number, since it uses less digits than its factorization.

65012808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 65012808 is about 8063.0520276134. The cubic root of 65012808 is about 402.0989830760.

The spelling of 65012808 in words is "sixty-five million, twelve thousand, eight hundred eight".