12605472 has 144 divisors (see below), whose sum is σ = 41041728. Its totient is φ = 3632640.

The previous prime is 12605423. The next prime is 12605503. The reversal of 12605472 is 27450621.

12605472 is a `hidden beast` number, since 12 + 605 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72778 + ... + 72950.

It is an arithmetic number, because the mean of its divisors is an integer number (285012).

Almost surely, 2^12605472 is an apocalyptic number.

12605472 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 12605472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20520864).

12605472 is an abundant number, since it is smaller than the sum of its proper divisors (28436256).

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

12605472 is a wasteful number, since it uses less digits than its factorization.

12605472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12605472 is about 3550.4185668735. The cubic root of 12605472 is about 232.7303578841.

The spelling of 12605472 in words is "twelve million, six hundred five thousand, four hundred seventy-two".