65963012 has 6 divisors (see below), whose sum is σ = 115435278. Its totient is φ = 32981504.

The previous prime is 65962987. The next prime is 65963033. The reversal of 65963012 is 21036956.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 11999296 = 7346^2 + 3464^2 .

It is a super-2 number, since 2×65963012² = 8702237904224288, 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 65963012.

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 as a sum of consecutive naturals, namely, 8245373 + ... + 8245380.

It is an arithmetic number, because the mean of its divisors is an integer number (19239213).

Almost surely, 2^65963012 is an apocalyptic number.

It is an amenable number.

65963012 is a deficient number, since it is larger than the sum of its proper divisors (49472266).

65963012 is a wasteful number, since it uses less digits than its factorization.

65963012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16490757 (or 16490755 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 65963012 is about 8121.7616315674. The cubic root of 65963012 is about 404.0484943258.

Adding to 65963012 its reverse (21036956), we get a palindrome (86999968).

The spelling of 65963012 in words is "sixty-five million, nine hundred sixty-three thousand, twelve".