4056012 has 36 divisors (see below), whose sum is σ = 10426416. Its totient is φ = 1329120.

The previous prime is 4055993. The next prime is 4056023. The reversal of 4056012 is 2106504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1273 + ... + 3119.

Almost surely, 2^4056012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4056012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5213208).

4056012 is an abundant number, since it is smaller than the sum of its proper divisors (6370404).

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

4056012 is a wasteful number, since it uses less digits than its factorization.

4056012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4056012 is about 2013.9543192436. The cubic root of 4056012 is about 159.4776192625.

The spelling of 4056012 in words is "four million, fifty-six thousand, twelve".