12434439 has 16 divisors (see below), whose sum is σ = 17385984. Its totient is φ = 7896000.

The previous prime is 12434369. The next prime is 12434447. The reversal of 12434439 is 93443421.

It is not a de Polignac number, because 12434439 - 2⁷ = 12434311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4114 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (1086624).

Almost surely, 2^12434439 is an apocalyptic number.

12434439 is a deficient number, since it is larger than the sum of its proper divisors (4951545).

12434439 is a wasteful number, since it uses less digits than its factorization.

12434439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438.

The product of its digits is 10368, while the sum is 30.

The square root of 12434439 is about 3526.2499911379. The cubic root of 12434439 is about 231.6729873081.

The spelling of 12434439 in words is "twelve million, four hundred thirty-four thousand, four hundred thirty-nine".