12424378 has 16 divisors (see below), whose sum is σ = 19234080. Its totient is φ = 6014736.

The previous prime is 12424351. The next prime is 12424387. The reversal of 12424378 is 87342421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27825 + ... + 28267.

It is an arithmetic number, because the mean of its divisors is an integer number (1202130).

Almost surely, 2^12424378 is an apocalyptic number.

12424378 is a deficient number, since it is larger than the sum of its proper divisors (6809702).

12424378 is a wasteful number, since it uses less digits than its factorization.

12424378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its digits is 10752, while the sum is 31.

The square root of 12424378 is about 3524.8231161294. The cubic root of 12424378 is about 231.6104864088.

Adding to 12424378 its reverse (87342421), we get a palindrome (99766799).

The spelling of 12424378 in words is "twelve million, four hundred twenty-four thousand, three hundred seventy-eight".