12434918 has 8 divisors (see below), whose sum is σ = 18837360. Its totient is φ = 6155800.

The previous prime is 12434897. The next prime is 12434921. The reversal of 12434918 is 81943421.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 30578 + ... + 30981.

It is an arithmetic number, because the mean of its divisors is an integer number (2354670).

Almost surely, 2^12434918 is an apocalyptic number.

12434918 is a deficient number, since it is larger than the sum of its proper divisors (6402442).

12434918 is a wasteful number, since it uses less digits than its factorization.

12434918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61662.

The product of its digits is 6912, while the sum is 32.

The square root of 12434918 is about 3526.3179096616. The cubic root of 12434918 is about 231.6759621088.

The spelling of 12434918 in words is "twelve million, four hundred thirty-four thousand, nine hundred eighteen".