4400012 has 12 divisors (see below), whose sum is σ = 7808976. Its totient is φ = 2168880.

The previous prime is 4399987. The next prime is 4400021. The reversal of 4400012 is 2100044.

It is a junction number, because it is equal to n+sod(n) for n = 4399966 and 4400002.

It is a congruent number.

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, 7463 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (650748).

Almost surely, 2^4400012 is an apocalyptic number.

It is an amenable number.

4400012 is a deficient number, since it is larger than the sum of its proper divisors (3408964).

4400012 is a wasteful number, since it uses less digits than its factorization.

4400012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568 (or 15566 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4400012 is about 2097.6205567261. The cubic root of 4400012 is about 163.8644030875.

Adding to 4400012 its product of nonzero digits (32), we get a palindrome (4400044).

Adding to 4400012 its reverse (2100044), we get a palindrome (6500056).

Subtracting from 4400012 its reverse (2100044), we obtain a cube (2299968 = 132³).

The spelling of 4400012 in words is "four million, four hundred thousand, twelve".