63012006 has 20 divisors (see below), whose sum is σ = 141193932. Its totient is φ = 21003948.

The previous prime is 63011987. The next prime is 63012017. The reversal of 63012006 is 60021036.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 63012006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 194320 + ... + 194643.

Almost surely, 2^63012006 is an apocalyptic number.

63012006 is an abundant number, since it is smaller than the sum of its proper divisors (78181926).

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

63012006 is a wasteful number, since it uses less digits than its factorization.

63012006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388977 (or 388968 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 63012006 is about 7938.0102040751. The cubic root of 63012006 is about 397.9309956714.

The spelling of 63012006 in words is "sixty-three million, twelve thousand, six".