12445560 has 96 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 3283200.

The previous prime is 12445549. The next prime is 12445561. The reversal of 12445560 is 6554421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65065 + ... + 65255.

It is an arithmetic number, because the mean of its divisors is an integer number (425880).

Almost surely, 2^12445560 is an apocalyptic number.

12445560 is a gapful number since it is divisible by the number (10) 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 12445560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20442240).

12445560 is an abundant number, since it is smaller than the sum of its proper divisors (28438920).

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

12445560 is a wasteful number, since it uses less digits than its factorization.

12445560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 12445560 is about 3527.8265263473. The cubic root of 12445560 is about 231.7420339180.

Adding to 12445560 its reverse (6554421), we get a palindrome (18999981).

The spelling of 12445560 in words is "twelve million, four hundred forty-five thousand, five hundred sixty".