612280 has 16 divisors (see below), whose sum is σ = 1377720. Its totient is φ = 244896.

The previous prime is 612263. The next prime is 612301. The reversal of 612280 is 82216.

It is a happy number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 7614 + ... + 7693.

2⁶¹²²⁸⁰ is an apocalyptic number.

It is an amenable number.

612280 is an abundant number, since it is smaller than the sum of its proper divisors (765440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612280 is a wasteful number, since it uses less digits than its factorization.

612280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318 (or 15314 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 612280 is about 782.4832266573. The cubic root of 612280 is about 84.9147935078.

Adding to 612280 its reverse (82216), we get a palindrome (694496).

The spelling of 612280 in words is "six hundred twelve thousand, two hundred eighty".