12044720 has 20 divisors (see below), whose sum is σ = 28004160. Its totient is φ = 4817856.

The previous prime is 12044707. The next prime is 12044723. The reversal of 12044720 is 2744021.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12044692 and 12044701.

It is not an unprimeable number, because it can be changed into a prime (12044723) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 75200 + ... + 75359.

It is an arithmetic number, because the mean of its divisors is an integer number (1400208).

Almost surely, 2^12044720 is an apocalyptic number.

12044720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12044720 is an abundant number, since it is smaller than the sum of its proper divisors (15959440).

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

12044720 is a wasteful number, since it uses less digits than its factorization.

12044720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150572 (or 150566 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12044720 is about 3470.5503886271. The cubic root of 12044720 is about 229.2268938489.

Adding to 12044720 its reverse (2744021), we get a palindrome (14788741).

The spelling of 12044720 in words is "twelve million, forty-four thousand, seven hundred twenty".