680398012 has 12 divisors (see below), whose sum is σ = 1360796080. Its totient is φ = 291599136.

The previous prime is 680397959. The next prime is 680398027. The reversal of 680398012 is 210893086.

680398012 is an admirable number.

It is a super-3 number, since 3×680398012³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12149937 + ... + 12149992.

Almost surely, 2^680398012 is an apocalyptic number.

It is an amenable number.

680398012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

680398012 is a wasteful number, since it uses less digits than its factorization.

680398012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24299940 (or 24299938 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 680398012 is about 26084.4400361595. The cubic root of 680398012 is about 879.5374687113.

The spelling of 680398012 in words is "six hundred eighty million, three hundred ninety-eight thousand, twelve".