12000440 has 32 divisors (see below), whose sum is σ = 27632880. Its totient is φ = 4687872.

The previous prime is 12000433. The next prime is 12000467. The reversal of 12000440 is 4400021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 5208.

Almost surely, 2^12000440 is an apocalyptic number.

12000440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000440 is an abundant number, since it is smaller than the sum of its proper divisors (15632440).

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

12000440 is a wasteful number, since it uses less digits than its factorization.

12000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031 (or 7027 counting only the distinct ones).

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

The square root of 12000440 is about 3464.1651230852. The cubic root of 12000440 is about 228.9456466668.

Adding to 12000440 its reverse (4400021), we get a palindrome (16400461).

The spelling of 12000440 in words is "twelve million, four hundred forty", and thus it is an aban number.