12748146 has 24 divisors (see below), whose sum is σ = 25966512. Its totient is φ = 4172400.

The previous prime is 12748123. The next prime is 12748163. The reversal of 12748146 is 64184721.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22041 + ... + 22611.

It is an arithmetic number, because the mean of its divisors is an integer number (1081938).

Almost surely, 2^12748146 is an apocalyptic number.

12748146 is an abundant number, since it is smaller than the sum of its proper divisors (13218366).

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

12748146 is an equidigital number, since it uses as much as digits as its factorization.

12748146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 637 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 12748146 is about 3570.4545929055. The cubic root of 12748146 is about 233.6051123428.

The spelling of 12748146 in words is "twelve million, seven hundred forty-eight thousand, one hundred forty-six".