12424412 has 96 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 4273920.

The previous prime is 12424387. The next prime is 12424427. The reversal of 12424412 is 21442421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116063 + ... + 116169.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^12424412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12424412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240960).

12424412 is an abundant number, since it is smaller than the sum of its proper divisors (18057508).

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

12424412 is a wasteful number, since it uses less digits than its factorization.

12424412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 169 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 12424412 is about 3524.8279390631. The cubic root of 12424412 is about 231.6106976802.

Adding to 12424412 its reverse (21442421), we get a palindrome (33866833).

Subtracting 12424412 from its reverse (21442421), we obtain a square (9018009 = 3003²).

It can be divided in two parts, 12 and 424412, that added together give a palindrome (424424).

The spelling of 12424412 in words is "twelve million, four hundred twenty-four thousand, four hundred twelve".