12124320 has 192 divisors, whose sum is σ = 43182720. Its totient is φ = 2838528.

The previous prime is 12124313. The next prime is 12124327. The reversal of 12124320 is 2342121.

It is an interprime number because it is at equal distance from previous prime (12124313) and next prime (12124327).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12124320.

It is not an unprimeable number, because it can be changed into a prime (12124327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180927 + ... + 180993.

It is an arithmetic number, because the mean of its divisors is an integer number (224910).

Almost surely, 2^12124320 is an apocalyptic number.

12124320 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 12124320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21591360).

12124320 is an abundant number, since it is smaller than the sum of its proper divisors (31058400).

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

12124320 is a wasteful number, since it uses less digits than its factorization.

12124320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12124320 is about 3481.9994256174. Note that the first 3 decimals coincide. The cubic root of 12124320 is about 229.7307498268.

Adding to 12124320 its reverse (2342121), we get a palindrome (14466441).

The spelling of 12124320 in words is "twelve million, one hundred twenty-four thousand, three hundred twenty".