12342434 has 8 divisors (see below), whose sum is σ = 19937820. Its totient is φ = 5696496.

The previous prime is 12342409. The next prime is 12342437. The reversal of 12342434 is 43424321.

It can be written as a sum of positive squares in 2 ways, for example, as 10660225 + 1682209 = 3265^2 + 1297^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12342437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237329 + ... + 237380.

Almost surely, 2^12342434 is an apocalyptic number.

12342434 is a deficient number, since it is larger than the sum of its proper divisors (7595386).

12342434 is a wasteful number, since it uses less digits than its factorization.

12342434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474724.

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

The square root of 12342434 is about 3513.1800409316. The cubic root of 12342434 is about 231.1001733160.

Adding to 12342434 its reverse (43424321), we get a palindrome (55766755).

The spelling of 12342434 in words is "twelve million, three hundred forty-two thousand, four hundred thirty-four".