12820160 has 28 divisors (see below), whose sum is σ = 30528768. Its totient is φ = 5127936.

The previous prime is 12820151. The next prime is 12820201. The reversal of 12820160 is 6102821.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 19712 + ... + 20351.

Almost surely, 2^12820160 is an apocalyptic number.

12820160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12820160 is an abundant number, since it is smaller than the sum of its proper divisors (17708608).

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

12820160 is an equidigital number, since it uses as much as digits as its factorization.

12820160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40080 (or 40070 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12820160 is about 3580.5251011549. The cubic root of 12820160 is about 234.0441633838.

Adding to 12820160 its reverse (6102821), we get a palindrome (18922981).

The spelling of 12820160 in words is "twelve million, eight hundred twenty thousand, one hundred sixty".