12455872 has 56 divisors (see below), whose sum is σ = 29059632. Its totient is φ = 5222400.

The previous prime is 12455843. The next prime is 12455897. The reversal of 12455872 is 27855421.

It is a happy number.

12455872 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8472 + ... + 9832.

It is an arithmetic number, because the mean of its divisors is an integer number (518922).

Almost surely, 2^12455872 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 12455872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14529816).

12455872 is an abundant number, since it is smaller than the sum of its proper divisors (16603760).

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

12455872 is a wasteful number, since it uses less digits than its factorization.

12455872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1387 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 12455872 is about 3529.2877468407. The cubic root of 12455872 is about 231.8060209715.

It can be divided in two parts, 1245 and 5872, that added together give a palindrome (7117).

The spelling of 12455872 in words is "twelve million, four hundred fifty-five thousand, eight hundred seventy-two".