12555072 has 84 divisors (see below), whose sum is σ = 36612576. Its totient is φ = 4112640.

The previous prime is 12555071. The next prime is 12555077. The reversal of 12555072 is 27055521.

It is a happy number.

12555072 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 (12555071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40743 + ... + 41049.

It is an arithmetic number, because the mean of its divisors is an integer number (435864).

Almost surely, 2^12555072 is an apocalyptic number.

12555072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12555072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18306288).

12555072 is an abundant number, since it is smaller than the sum of its proper divisors (24057504).

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

12555072 is a wasteful number, since it uses less digits than its factorization.

12555072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 12555072 is about 3543.3137033009. The cubic root of 12555072 is about 232.4197711393.

The spelling of 12555072 in words is "twelve million, five hundred fifty-five thousand, seventy-two".