12424345 has 8 divisors (see below), whose sum is σ = 14928840. Its totient is φ = 9926400.

The previous prime is 12424343. The next prime is 12424351. The reversal of 12424345 is 54342421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 700569 + 11723776 = 837^2 + 3424^2 .

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

It is not a de Polignac number, because 12424345 - 2¹ = 12424343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12424343) by changing a digit.

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, 4971 + ... + 7039.

It is an arithmetic number, because the mean of its divisors is an integer number (1866105).

Almost surely, 2^12424345 is an apocalyptic number.

It is an amenable number.

12424345 is a deficient number, since it is larger than the sum of its proper divisors (2504495).

12424345 is a wasteful number, since it uses less digits than its factorization.

12424345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275.

The product of its digits is 3840, while the sum is 25.

The square root of 12424345 is about 3524.8184350403. The cubic root of 12424345 is about 231.6102813508.

Adding to 12424345 its reverse (54342421), we get a palindrome (66766766).

It can be divided in two parts, 12424 and 345, that added together give a square (12769 = 113²).

The spelling of 12424345 in words is "twelve million, four hundred twenty-four thousand, three hundred forty-five".