12423264 has 144 divisors (see below), whose sum is σ = 40219200. Its totient is φ = 3338496.

The previous prime is 12423263. The next prime is 12423347. The reversal of 12423264 is 46232421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423263) 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, 89307 + ... + 89445.

It is an arithmetic number, because the mean of its divisors is an integer number (279300).

Almost surely, 2^12423264 is an apocalyptic number.

12423264 is a gapful number since it is divisible by the number (14) 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 12423264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20109600).

12423264 is an abundant number, since it is smaller than the sum of its proper divisors (27795936).

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

12423264 is a wasteful number, since it uses less digits than its factorization.

12423264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 170 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 12423264 is about 3524.6650904731. The cubic root of 12423264 is about 231.6035639484.

Adding to 12423264 its reverse (46232421), we get a palindrome (58655685).

The spelling of 12423264 in words is "twelve million, four hundred twenty-three thousand, two hundred sixty-four".