12148188 has 48 divisors (see below), whose sum is σ = 31253376. Its totient is φ = 3648960.

The previous prime is 12148153. The next prime is 12148207. The reversal of 12148188 is 88184121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5803 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (651112).

Almost surely, 2^12148188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12148188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15626688).

12148188 is an abundant number, since it is smaller than the sum of its proper divisors (19105188).

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

12148188 is a wasteful number, since it uses less digits than its factorization.

12148188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its digits is 4096, while the sum is 33.

The square root of 12148188 is about 3485.4250816794. The cubic root of 12148188 is about 229.8814007327.

The spelling of 12148188 in words is "twelve million, one hundred forty-eight thousand, one hundred eighty-eight".