612512 has 12 divisors (see below), whose sum is σ = 1205946. Its totient is φ = 306240.

The previous prime is 612511. The next prime is 612553. The reversal of 612512 is 215216.

It can be written as a sum of positive squares in only one way, i.e., 512656 + 99856 = 716^2 + 316^2 .

It is not an unprimeable number, because it can be changed into a prime (612511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9539 + ... + 9602.

2⁶¹²⁵¹² is an apocalyptic number.

It is an amenable number.

612512 is a deficient number, since it is larger than the sum of its proper divisors (593434).

612512 is a wasteful number, since it uses less digits than its factorization.

612512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19151 (or 19143 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 612512 is about 782.6314586062. The cubic root of 612512 is about 84.9255172205.

Adding to 612512 its reverse (215216), we get a palindrome (827728).

The spelling of 612512 in words is "six hundred twelve thousand, five hundred twelve".