12147148 has 12 divisors (see below), whose sum is σ = 22892800. Its totient is φ = 5606352.

The previous prime is 12147139. The next prime is 12147173. The reversal of 12147148 is 84174121.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 116748 + ... + 116851.

Almost surely, 2^12147148 is an apocalyptic number.

It is an amenable number.

12147148 is a deficient number, since it is larger than the sum of its proper divisors (10745652).

12147148 is a wasteful number, since it uses less digits than its factorization.

12147148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233616 (or 233614 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 12147148 is about 3485.2758857801. The cubic root of 12147148 is about 229.8748405368.

The spelling of 12147148 in words is "twelve million, one hundred forty-seven thousand, one hundred forty-eight".