12432330 has 48 divisors (see below), whose sum is σ = 32651424. Its totient is φ = 3281760.

The previous prime is 12432323. The next prime is 12432341. The reversal of 12432330 is 3323421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8985 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (680238).

Almost surely, 2^12432330 is an apocalyptic number.

12432330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12432330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16325712).

12432330 is an abundant number, since it is smaller than the sum of its proper divisors (20219094).

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

12432330 is a wasteful number, since it uses less digits than its factorization.

12432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 12432330 is about 3525.9509355633. The cubic root of 12432330 is about 231.6598885813.

Adding to 12432330 its reverse (3323421), we get a palindrome (15755751).

The spelling of 12432330 in words is "twelve million, four hundred thirty-two thousand, three hundred thirty".