63012912 has 20 divisors (see below), whose sum is σ = 162783480. Its totient is φ = 21004288.

The previous prime is 63012899. The next prime is 63012913. The reversal of 63012912 is 21921036.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (63012913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656337 + ... + 656432.

It is an arithmetic number, because the mean of its divisors is an integer number (8139174).

Almost surely, 2^63012912 is an apocalyptic number.

It is an amenable number.

63012912 is an abundant number, since it is smaller than the sum of its proper divisors (99770568).

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

63012912 is a wasteful number, since it uses less digits than its factorization.

63012912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312780 (or 1312774 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 63012912 is about 7938.0672710679. The cubic root of 63012912 is about 397.9329028410.

Adding to 63012912 its reverse (21921036), we get a palindrome (84933948).

The spelling of 63012912 in words is "sixty-three million, twelve thousand, nine hundred twelve".