63486812 has 12 divisors (see below), whose sum is σ = 111291600. Its totient is φ = 31689216.

The previous prime is 63486811. The next prime is 63486821. The reversal of 63486812 is 21868436.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63486811) 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, 10853 + ... + 15644.

It is an arithmetic number, because the mean of its divisors is an integer number (9274300).

Almost surely, 2^63486812 is an apocalyptic number.

It is an amenable number.

63486812 is a deficient number, since it is larger than the sum of its proper divisors (47804788).

63486812 is a wasteful number, since it uses less digits than its factorization.

63486812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100 (or 27098 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 63486812 is about 7967.8611935701. The cubic root of 63486812 is about 398.9279878749.

The spelling of 63486812 in words is "sixty-three million, four hundred eighty-six thousand, eight hundred twelve".