12148528 has 40 divisors (see below), whose sum is σ = 27776000. Its totient is φ = 5037120.

The previous prime is 12148511. The next prime is 12148537. The reversal of 12148528 is 82584121.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 12148528.

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 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (694400).

Almost surely, 2^12148528 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 12148528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13888000).

12148528 is an abundant number, since it is smaller than the sum of its proper divisors (15627472).

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

12148528 is a wasteful number, since it uses less digits than its factorization.

12148528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3539 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 12148528 is about 3485.4738558767. The cubic root of 12148528 is about 229.8835453309.

The spelling of 12148528 in words is "twelve million, one hundred forty-eight thousand, five hundred twenty-eight".