12143148 has 48 divisors (see below), whose sum is σ = 29435616. Its totient is φ = 3893760.

The previous prime is 12143143. The next prime is 12143161. The reversal of 12143148 is 84134121.

It is not an unprimeable number, because it can be changed into a prime (12143143) 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 in 15 ways as a sum of consecutive naturals, for example, 38640 + ... + 38952.

It is an arithmetic number, because the mean of its divisors is an integer number (613242).

Almost surely, 2^12143148 is an apocalyptic number.

It is an amenable number.

12143148 is an abundant number, since it is smaller than the sum of its proper divisors (17292468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12143148 is a wasteful number, since it uses less digits than its factorization.

12143148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 12143148 is about 3484.7019958671. The cubic root of 12143148 is about 229.8496055239.

Adding to 12143148 its reverse (84134121), we get a palindrome (96277269).

The spelling of 12143148 in words is "twelve million, one hundred forty-three thousand, one hundred forty-eight".