65582812 has 12 divisors (see below), whose sum is σ = 115061800. Its totient is φ = 32708016.

The previous prime is 65582801. The next prime is 65582819. The reversal of 65582812 is 21828556.

It is a super-2 number, since 2×65582812² = 8602210459654688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65582819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19062 + ... + 22237.

Almost surely, 2^65582812 is an apocalyptic number.

It is an amenable number.

65582812 is a deficient number, since it is larger than the sum of its proper divisors (49478988).

65582812 is a wasteful number, since it uses less digits than its factorization.

65582812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41700 (or 41698 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 65582812 is about 8098.3215544951. The cubic root of 65582812 is about 403.2707082757.

The spelling of 65582812 in words is "sixty-five million, five hundred eighty-two thousand, eight hundred twelve".