12420232 has 32 divisors (see below), whose sum is σ = 25894080. Its totient is φ = 5536960.

The previous prime is 12420229. The next prime is 12420257. The reversal of 12420232 is 23202421.

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, 3333 + ... + 5995.

It is an arithmetic number, because the mean of its divisors is an integer number (809190).

Almost surely, 2^12420232 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 12420232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12947040).

12420232 is an abundant number, since it is smaller than the sum of its proper divisors (13473848).

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

12420232 is a wasteful number, since it uses less digits than its factorization.

12420232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12420232 is about 3524.2349524400. The cubic root of 12420232 is about 231.5847208289.

Adding to 12420232 its reverse (23202421), we get a palindrome (35622653).

The spelling of 12420232 in words is "twelve million, four hundred twenty thousand, two hundred thirty-two".