613912 has 16 divisors (see below), whose sum is σ = 1239840. Its totient is φ = 283296.

The previous prime is 613903. The next prime is 613957. The reversal of 613912 is 219316.

It is a congruent number.

It is an unprimeable number.

613912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (77490).

2⁶¹³⁹¹² is an apocalyptic number.

It is an amenable number.

613912 is an abundant number, since it is smaller than the sum of its proper divisors (625928).

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

613912 is a wasteful number, since it uses less digits than its factorization.

613912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922 (or 5918 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

The square root of 613912 is about 783.5253665326. The cubic root of 613912 is about 84.9901718740.

The spelling of 613912 in words is "six hundred thirteen thousand, nine hundred twelve".