12424555 has 16 divisors (see below), whose sum is σ = 17517024. Its totient is φ = 8340480.

The previous prime is 12424543. The next prime is 12424561. The reversal of 12424555 is 55542421.

12424555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12424555 - 2⁵ = 12424523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7974 + ... + 9403.

It is an arithmetic number, because the mean of its divisors is an integer number (1094814).

Almost surely, 2^12424555 is an apocalyptic number.

12424555 is a deficient number, since it is larger than the sum of its proper divisors (5092469).

12424555 is a wasteful number, since it uses less digits than its factorization.

12424555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406.

The product of its digits is 8000, while the sum is 28.

The square root of 12424555 is about 3524.8482236828. The cubic root of 12424555 is about 231.6115862589.

Adding to 12424555 its reverse (55542421), we get a palindrome (67966976).

The spelling of 12424555 in words is "twelve million, four hundred twenty-four thousand, five hundred fifty-five".