12432017 has 8 divisors (see below), whose sum is σ = 13673856. Its totient is φ = 11230992.

The previous prime is 12432011. The next prime is 12432053. The reversal of 12432017 is 71023421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12432017.

It is not an unprimeable number, because it can be changed into a prime (12432011) 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 7 ways as a sum of consecutive naturals, for example, 9563 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (1709232).

Almost surely, 2^12432017 is an apocalyptic number.

It is an amenable number.

12432017 is a deficient number, since it is larger than the sum of its proper divisors (1241839).

12432017 is a wasteful number, since it uses less digits than its factorization.

12432017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20407.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12432017 is about 3525.9065500946. The cubic root of 12432017 is about 231.6579444525.

Adding to 12432017 its reverse (71023421), we get a palindrome (83455438).

The spelling of 12432017 in words is "twelve million, four hundred thirty-two thousand, seventeen".