63147012 has 24 divisors (see below), whose sum is σ = 151326336. Its totient is φ = 20479968.

The previous prime is 63146957. The next prime is 63147037. The reversal of 63147012 is 21074136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70668 + ... + 71555.

It is an arithmetic number, because the mean of its divisors is an integer number (6305264).

Almost surely, 2^63147012 is an apocalyptic number.

It is an amenable number.

63147012 is an abundant number, since it is smaller than the sum of its proper divisors (88179324).

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

63147012 is a wasteful number, since it uses less digits than its factorization.

63147012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142267 (or 142265 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 63147012 is about 7946.5094223816. The cubic root of 63147012 is about 398.2149878447.

The spelling of 63147012 in words is "sixty-three million, one hundred forty-seven thousand, twelve".