12947748 has 48 divisors (see below), whose sum is σ = 33675264. Its totient is φ = 3838240.

The previous prime is 12947731. The next prime is 12947771. The reversal of 12947748 is 84774921.

It is a happy 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, 5161 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (701568).

Almost surely, 2^12947748 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 12947748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16837632).

12947748 is an abundant number, since it is smaller than the sum of its proper divisors (20727516).

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

12947748 is a wasteful number, since it uses less digits than its factorization.

12947748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2150 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 12947748 is about 3598.2979309668. The cubic root of 12947748 is about 234.8180151350.

It can be divided in two parts, 12947 and 748, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 12947748 in words is "twelve million, nine hundred forty-seven thousand, seven hundred forty-eight".