505012 has 12 divisors (see below), whose sum is σ = 889056. Its totient is φ = 251000.

The previous prime is 504991. The next prime is 505027. The reversal of 505012 is 210505.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 504983 and 505001.

It is a congruent number.

It is an unprimeable number.

505012 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 753 + ... + 1255.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2⁵⁰⁵⁰¹² is an apocalyptic number.

It is an amenable number.

505012 is a deficient number, since it is larger than the sum of its proper divisors (384044).

505012 is a wasteful number, since it uses less digits than its factorization.

505012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 505012 is about 710.6419632980. The cubic root of 505012 is about 79.6343731752.

Adding to 505012 its reverse (210505), we get a palindrome (715517).

The spelling of 505012 in words is "five hundred five thousand, twelve".