63605412 has 60 divisors (see below), whose sum is σ = 179079516. Its totient is φ = 19569600.

The previous prime is 63605389. The next prime is 63605413. The reversal of 63605412 is 21450636.

63605412 is a `hidden beast` number, since 63 + 60 + 541 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8608356 + 54997056 = 2934^2 + 7416^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (63605413) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3339 + ... + 11762.

Almost surely, 2^63605412 is an apocalyptic number.

It is an amenable number.

63605412 is an abundant number, since it is smaller than the sum of its proper divisors (115474104).

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

63605412 is a wasteful number, since it uses less digits than its factorization.

63605412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15130 (or 15119 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 63605412 is about 7975.3001197447. The cubic root of 63605412 is about 399.1762464062.

The spelling of 63605412 in words is "sixty-three million, six hundred five thousand, four hundred twelve".