65012860 has 24 divisors (see below), whose sum is σ = 148939056. Its totient is φ = 23640960.

The previous prime is 65012807. The next prime is 65012873. The reversal of 65012860 is 6821056.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 147537 + ... + 147976.

It is an arithmetic number, because the mean of its divisors is an integer number (6205794).

Almost surely, 2^65012860 is an apocalyptic number.

It is an amenable number.

65012860 is an abundant number, since it is smaller than the sum of its proper divisors (83926196).

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

65012860 is a wasteful number, since it uses less digits than its factorization.

65012860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295533 (or 295531 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 65012860 is about 8063.0552521981. The cubic root of 65012860 is about 402.0990902813.

The spelling of 65012860 in words is "sixty-five million, twelve thousand, eight hundred sixty".