12820748 has 12 divisors (see below), whose sum is σ = 22509312. Its totient is φ = 6389520.

The previous prime is 12820747. The next prime is 12820783. The reversal of 12820748 is 84702821.

It is not an unprimeable number, because it can be changed into a prime (12820747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (1875776).

Almost surely, 2^12820748 is an apocalyptic number.

It is an amenable number.

12820748 is a deficient number, since it is larger than the sum of its proper divisors (9688564).

12820748 is a wasteful number, since it uses less digits than its factorization.

12820748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432 (or 10430 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 12820748 is about 3580.6072110747. The cubic root of 12820748 is about 234.0477414947.

The spelling of 12820748 in words is "twelve million, eight hundred twenty thousand, seven hundred forty-eight".