63231812 has 12 divisors (see below), whose sum is σ = 126463680. Its totient is φ = 27099336.

The previous prime is 63231787. The next prime is 63231827. The reversal of 63231812 is 21813236.

63231812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

63231812 is an admirable 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, 1129112 + ... + 1129167.

It is an arithmetic number, because the mean of its divisors is an integer number (10538640).

Almost surely, 2^63231812 is an apocalyptic number.

It is an amenable number.

63231812 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.

63231812 is a wasteful number, since it uses less digits than its factorization.

63231812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258290 (or 2258288 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 63231812 is about 7951.8433083154. The cubic root of 63231812 is about 398.3931621569.

The spelling of 63231812 in words is "sixty-three million, two hundred thirty-one thousand, eight hundred twelve".