12423560 has 64 divisors (see below), whose sum is σ = 29652480. Its totient is φ = 4677120.

The previous prime is 12423539. The next prime is 12423563. The reversal of 12423560 is 6532421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53204 + ... + 53436.

It is an arithmetic number, because the mean of its divisors is an integer number (463320).

Almost surely, 2^12423560 is an apocalyptic number.

12423560 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 12423560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14826240).

12423560 is an abundant number, since it is smaller than the sum of its proper divisors (17228920).

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

12423560 is a wasteful number, since it uses less digits than its factorization.

12423560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12423560 is about 3524.7070800281. The cubic root of 12423560 is about 231.6054033498.

Adding to 12423560 its reverse (6532421), we get a palindrome (18955981).

The spelling of 12423560 in words is "twelve million, four hundred twenty-three thousand, five hundred sixty".