12432943 has 2 divisors, whose sum is σ = 12432944. Its totient is φ = 12432942.

The previous prime is 12432929. The next prime is 12432947. The reversal of 12432943 is 34923421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216471 + 6216472.

It is an arithmetic number, because the mean of its divisors is an integer number (6216472).

Almost surely, 2^12432943 is an apocalyptic number.

12432943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432943 is an equidigital number, since it uses as much as digits as its factorization.

12432943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 12432943 is about 3526.0378613963. The cubic root of 12432943 is about 231.6636959979.

It can be divided in two parts, 1243 and 2943, that added together give a triangular number (4186 = T₉₁).

The spelling of 12432943 in words is "twelve million, four hundred thirty-two thousand, nine hundred forty-three".