12432560 has 60 divisors (see below), whose sum is σ = 33258288. Its totient is φ = 4233984.

The previous prime is 12432533. The next prime is 12432569. The reversal of 12432560 is 6523421.

12432560 = T₁₂₈₀ + T₁₂₈₁ + ... + T₁₂₉₄.

It is not an unprimeable number, because it can be changed into a prime (12432569) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 83366 + ... + 83514.

Almost surely, 2^12432560 is an apocalyptic number.

12432560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12432560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16629144).

12432560 is an abundant number, since it is smaller than the sum of its proper divisors (20825728).

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

12432560 is an equidigital number, since it uses as much as digits as its factorization.

12432560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12432560 is about 3525.9835507274. The cubic root of 12432560 is about 231.6613171536.

Adding to 12432560 its reverse (6523421), we get a palindrome (18955981).

The spelling of 12432560 in words is "twelve million, four hundred thirty-two thousand, five hundred sixty".