12178948 has 6 divisors (see below), whose sum is σ = 21313166. Its totient is φ = 6089472.

The previous prime is 12178921. The next prime is 12178949. The reversal of 12178948 is 84987121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 3873024 = 2882^2 + 1968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12178948.

It is not an unprimeable number, because it can be changed into a prime (12178949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1522365 + ... + 1522372.

Almost surely, 2^12178948 is an apocalyptic number.

It is an amenable number.

12178948 is a deficient number, since it is larger than the sum of its proper divisors (9134218).

12178948 is a wasteful number, since it uses less digits than its factorization.

12178948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044741 (or 3044739 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 12178948 is about 3489.8349531174. The cubic root of 12178948 is about 230.0752620740.

The spelling of 12178948 in words is "twelve million, one hundred seventy-eight thousand, nine hundred forty-eight".