12432886 has 8 divisors (see below), whose sum is σ = 18711000. Its totient is φ = 6195888.

The previous prime is 12432883. The next prime is 12432907. The reversal of 12432886 is 68823421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9511 + ... + 10738.

It is an arithmetic number, because the mean of its divisors is an integer number (2338875).

Almost surely, 2^12432886 is an apocalyptic number.

12432886 is a deficient number, since it is larger than the sum of its proper divisors (6278114).

12432886 is a wasteful number, since it uses less digits than its factorization.

12432886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20558.

The product of its digits is 18432, while the sum is 34.

The square root of 12432886 is about 3526.0297786604. The cubic root of 12432886 is about 231.6633419693.

The spelling of 12432886 in words is "twelve million, four hundred thirty-two thousand, eight hundred eighty-six".