65323812 has 12 divisors (see below), whose sum is σ = 152422256. Its totient is φ = 21774600.

The previous prime is 65323781. The next prime is 65323823. The reversal of 65323812 is 21832356.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×65323812² = 8534400828422688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65323812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721814 + ... + 2721837.

Almost surely, 2^65323812 is an apocalyptic number.

It is an amenable number.

65323812 is an abundant number, since it is smaller than the sum of its proper divisors (87098444).

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

65323812 is a wasteful number, since it uses less digits than its factorization.

65323812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443658 (or 5443656 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 65323812 is about 8082.3147674413. The cubic root of 65323812 is about 402.7391416092.

The spelling of 65323812 in words is "sixty-five million, three hundred twenty-three thousand, eight hundred twelve".