12820048 has 20 divisors (see below), whose sum is σ = 25211680. Its totient is φ = 6313824.

The previous prime is 12820043. The next prime is 12820061. The reversal of 12820048 is 84002821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12820043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4908 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (1260584).

Almost surely, 2^12820048 is an apocalyptic number.

It is an amenable number.

12820048 is a deficient number, since it is larger than the sum of its proper divisors (12391632).

12820048 is a wasteful number, since it uses less digits than its factorization.

12820048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034 (or 12028 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 12820048 is about 3580.5094609566. The cubic root of 12820048 is about 234.0434818265.

Adding to 12820048 its reverse (84002821), we get a palindrome (96822869).

The spelling of 12820048 in words is "twelve million, eight hundred twenty thousand, forty-eight".