12001472 has 84 divisors (see below), whose sum is σ = 28666440. Its totient is φ = 4967424.

The previous prime is 12001463. The next prime is 12001481. The reversal of 12001472 is 27410021.

It is an interprime number because it is at equal distance from previous prime (12001463) and next prime (12001481).

It is a self number, because there is not a number n which added to its sum of digits gives 12001472.

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, 134804 + ... + 134892.

Almost surely, 2^12001472 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 12001472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14333220).

12001472 is an abundant number, since it is smaller than the sum of its proper divisors (16664968).

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

12001472 is an equidigital number, since it uses as much as digits as its factorization.

12001472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12001472 is about 3464.3140735216. The cubic root of 12001472 is about 228.9522093466.

Adding to 12001472 its reverse (27410021), we get a palindrome (39411493).

The spelling of 12001472 in words is "twelve million, one thousand, four hundred seventy-two".