12420352 has 72 divisors (see below), whose sum is σ = 29433600. Its totient is φ = 5117952.

The previous prime is 12420349. The next prime is 12420371. The reversal of 12420352 is 25302421.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51849 + ... + 52087.

It is an arithmetic number, because the mean of its divisors is an integer number (408800).

Almost surely, 2^12420352 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 12420352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14716800).

12420352 is an abundant number, since it is smaller than the sum of its proper divisors (17013248).

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

12420352 is an equidigital number, since it uses as much as digits as its factorization.

12420352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12420352 is about 3524.2519773705. The cubic root of 12420352 is about 231.5854666571.

Adding to 12420352 its reverse (25302421), we get a palindrome (37722773).

The spelling of 12420352 in words is "twelve million, four hundred twenty thousand, three hundred fifty-two".