671012 has 12 divisors (see below), whose sum is σ = 1181040. Its totient is φ = 333576.

The previous prime is 671003. The next prime is 671017. The reversal of 671012 is 210176.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (671017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (98420).

2⁶⁷¹⁰¹² is an apocalyptic number.

It is an amenable number.

671012 is a deficient number, since it is larger than the sum of its proper divisors (510028).

671012 is a wasteful number, since it uses less digits than its factorization.

671012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 671012 is about 819.1532213207. The cubic root of 671012 is about 87.5474355041.

Adding to 671012 its reverse (210176), we get a palindrome (881188).

The spelling of 671012 in words is "six hundred seventy-one thousand, twelve".