12478052 has 18 divisors (see below), whose sum is σ = 22831158. Its totient is φ = 5966752.

The previous prime is 12478049. The next prime is 12478057. The reversal of 12478052 is 25087421.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 256036 = 3496^2 + 506^2 .

It is not an unprimeable number, because it can be changed into a prime (12478057) 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 5 ways as a sum of consecutive naturals, for example, 833 + ... + 5064.

Almost surely, 2^12478052 is an apocalyptic number.

It is an amenable number.

12478052 is a deficient number, since it is larger than the sum of its proper divisors (10353106).

12478052 is a wasteful number, since it uses less digits than its factorization.

12478052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947 (or 5922 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 12478052 is about 3532.4286263136. The cubic root of 12478052 is about 231.9435306479.

The spelling of 12478052 in words is "twelve million, four hundred seventy-eight thousand, fifty-two".