12424478 has 16 divisors (see below), whose sum is σ = 20532096. Its totient is φ = 5591640.

The previous prime is 12424471. The next prime is 12424481. The reversal of 12424478 is 87442421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (1283256).

Almost surely, 2^12424478 is an apocalyptic number.

12424478 is a deficient number, since it is larger than the sum of its proper divisors (8107618).

12424478 is a wasteful number, since it uses less digits than its factorization.

12424478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599.

The product of its digits is 14336, while the sum is 32.

The square root of 12424478 is about 3524.8373012098. The cubic root of 12424478 is about 231.6111077943.

Adding to 12424478 its reverse (87442421), we get a palindrome (99866899).

The spelling of 12424478 in words is "twelve million, four hundred twenty-four thousand, four hundred seventy-eight".