5643012 has 12 divisors (see below), whose sum is σ = 13167056. Its totient is φ = 1881000.

The previous prime is 5642999. The next prime is 5643041. The reversal of 5643012 is 2103465.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×5643012³ (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5643012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235114 + ... + 235137.

Almost surely, 2^5643012 is an apocalyptic number.

It is an amenable number.

5643012 is an abundant number, since it is smaller than the sum of its proper divisors (7524044).

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

5643012 is a wasteful number, since it uses less digits than its factorization.

5643012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470258 (or 470256 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 5643012 is about 2375.5024731623. The cubic root of 5643012 is about 178.0342904101.

Adding to 5643012 its reverse (2103465), we get a palindrome (7746477).

The spelling of 5643012 in words is "five million, six hundred forty-three thousand, twelve".