12432434 has 16 divisors (see below), whose sum is σ = 21457536. Its totient is φ = 5292000.

The previous prime is 12432391. The next prime is 12432449. The reversal of 12432434 is 43423421.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 827 + ... + 5054.

It is an arithmetic number, because the mean of its divisors is an integer number (1341096).

Almost surely, 2^12432434 is an apocalyptic number.

12432434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12432434 is a deficient number, since it is larger than the sum of its proper divisors (9025102).

12432434 is a wasteful number, since it uses less digits than its factorization.

12432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6041.

The product of its digits is 2304, while the sum is 23.

The square root of 12432434 is about 3525.9656833271. The cubic root of 12432434 is about 231.6605345466.

Adding to 12432434 its reverse (43423421), we get a palindrome (55855855).

The spelling of 12432434 in words is "twelve million, four hundred thirty-two thousand, four hundred thirty-four".