12013472 has 24 divisors (see below), whose sum is σ = 24897600. Its totient is φ = 5690304.

The previous prime is 12013471. The next prime is 12013481. The reversal of 12013472 is 27431021.

It is not an unprimeable number, because it can be changed into a prime (12013471) 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, 9272 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (1037400).

Almost surely, 2^12013472 is an apocalyptic number.

It is an amenable number.

12013472 is an abundant number, since it is smaller than the sum of its proper divisors (12884128).

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

12013472 is a wasteful number, since it uses less digits than its factorization.

12013472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19788 (or 19780 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12013472 is about 3466.0455853898. The cubic root of 12013472 is about 229.0284919705.

Adding to 12013472 its reverse (27431021), we get a palindrome (39444493).

The spelling of 12013472 in words is "twelve million, thirteen thousand, four hundred seventy-two".