12432546 has 48 divisors (see below), whose sum is σ = 31200000. Its totient is φ = 3504384.

The previous prime is 12432533. The next prime is 12432569. The reversal of 12432546 is 64523421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9330 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (650000).

Almost surely, 2^12432546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12432546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15600000).

12432546 is an abundant number, since it is smaller than the sum of its proper divisors (18767454).

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

12432546 is a wasteful number, since it uses less digits than its factorization.

12432546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1340 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 12432546 is about 3525.9815654651. The cubic root of 12432546 is about 231.6612301975.

Adding to 12432546 its reverse (64523421), we get a palindrome (76955967).

The spelling of 12432546 in words is "twelve million, four hundred thirty-two thousand, five hundred forty-six".