512812 has 6 divisors (see below), whose sum is σ = 897428. Its totient is φ = 256404.

The previous prime is 512803. The next prime is 512819. The reversal of 512812 is 218215.

It is a super-2 number, since 2×512812² = 525952294688, 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 512812.

It is not an unprimeable number, because it can be changed into a prime (512819) by changing a digit.

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, 64098 + ... + 64105.

2⁵¹²⁸¹² is an apocalyptic number.

It is an amenable number.

512812 is a deficient number, since it is larger than the sum of its proper divisors (384616).

512812 is a wasteful number, since it uses less digits than its factorization.

512812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128207 (or 128205 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 512812 is about 716.1089302613. The cubic root of 512812 is about 80.0422693290.

The spelling of 512812 in words is "five hundred twelve thousand, eight hundred twelve".