12478324 has 12 divisors (see below), whose sum is σ = 22427524. Its totient is φ = 6070464.

The previous prime is 12478283. The next prime is 12478327. The reversal of 12478324 is 42387421.

It can be written as a sum of positive squares in 2 ways, for example, as 11437924 + 1040400 = 3382^2 + 1020^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42009 + ... + 42304.

Almost surely, 2^12478324 is an apocalyptic number.

It is an amenable number.

12478324 is a deficient number, since it is larger than the sum of its proper divisors (9949200).

12478324 is a wasteful number, since it uses less digits than its factorization.

12478324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84354 (or 84352 counting only the distinct ones).

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

The square root of 12478324 is about 3532.4671265279. The cubic root of 12478324 is about 231.9452159586.

The spelling of 12478324 in words is "twelve million, four hundred seventy-eight thousand, three hundred twenty-four".