12434399 has 4 divisors (see below), whose sum is σ = 12444480. Its totient is φ = 12424320.

The previous prime is 12434369. The next prime is 12434447. The reversal of 12434399 is 99343421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12434399 - 2⁸ = 12434143 is a prime.

It is a super-2 number, since 2×12434399² = 309228556982402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (3111120).

Almost surely, 2^12434399 is an apocalyptic number.

12434399 is a deficient number, since it is larger than the sum of its proper divisors (10081).

12434399 is an equidigital number, since it uses as much as digits as its factorization.

12434399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080.

The product of its digits is 23328, while the sum is 35.

The square root of 12434399 is about 3526.2443193857. The cubic root of 12434399 is about 231.6727388870.

The spelling of 12434399 in words is "twelve million, four hundred thirty-four thousand, three hundred ninety-nine".