12105148 has 24 divisors (see below), whose sum is σ = 23506560. Its totient is φ = 5407920.

The previous prime is 12105143. The next prime is 12105167. The reversal of 12105148 is 84150121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 4927.

It is an arithmetic number, because the mean of its divisors is an integer number (979440).

Almost surely, 2^12105148 is an apocalyptic number.

It is an amenable number.

12105148 is a deficient number, since it is larger than the sum of its proper divisors (11401412).

12105148 is a wasteful number, since it uses less digits than its factorization.

12105148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4735 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 12105148 is about 3479.2453204682. The cubic root of 12105148 is about 229.6095960491.

Adding to 12105148 its reverse (84150121), we get a palindrome (96255269).

The spelling of 12105148 in words is "twelve million, one hundred five thousand, one hundred forty-eight".