63912 has 16 divisors (see below), whose sum is σ = 159840. Its totient is φ = 21296.

The previous prime is 63907. The next prime is 63913. The reversal of 63912 is 21936.

It is not an unprimeable number, because it can be changed into a prime (63913) by changing a digit.

63912 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, 1308 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (9990).

2⁶³⁹¹² is an apocalyptic number.

It is an amenable number.

63912 is an abundant number, since it is smaller than the sum of its proper divisors (95928).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79920).

63912 is a wasteful number, since it uses less digits than its factorization.

63912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672 (or 2668 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 63912 is about 252.8082277142. The cubic root of 63912 is about 39.9816582575.

The spelling of 63912 in words is "sixty-three thousand, nine hundred twelve".