4006012 has 12 divisors (see below), whose sum is σ = 7056280. Its totient is φ = 1989936.

The previous prime is 4006007. The next prime is 4006019. The reversal of 4006012 is 2106004.

4006012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4005983 and 4006001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562 + ... + 3817.

Almost surely, 2^4006012 is an apocalyptic number.

It is an amenable number.

4006012 is a deficient number, since it is larger than the sum of its proper divisors (3050268).

4006012 is a wasteful number, since it uses less digits than its factorization.

4006012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6540 (or 6538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4006012 is about 2001.5024356718. The cubic root of 4006012 is about 158.8195941788.

The spelling of 4006012 in words is "four million, six thousand, twelve".