12072872 has 16 divisors (see below), whose sum is σ = 25870560. Its totient is φ = 5174064.

The previous prime is 12072871. The next prime is 12072877. The reversal of 12072872 is 27827021.

12072872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107738 + ... + 107849.

It is an arithmetic number, because the mean of its divisors is an integer number (1616910).

Almost surely, 2^12072872 is an apocalyptic number.

It is an amenable number.

12072872 is an abundant number, since it is smaller than the sum of its proper divisors (13797688).

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

12072872 is a wasteful number, since it uses less digits than its factorization.

12072872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215600 (or 215596 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 12072872 is about 3474.6038623129. The cubic root of 12072872 is about 229.4053447766.

Adding to 12072872 its reverse (27827021), we get a palindrome (39899893).

The spelling of 12072872 in words is "twelve million, seventy-two thousand, eight hundred seventy-two".