12820576 has 12 divisors (see below), whose sum is σ = 25240572. Its totient is φ = 6410272.

The previous prime is 12820559. The next prime is 12820583. The reversal of 12820576 is 67502821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200290 + ... + 200353.

It is an arithmetic number, because the mean of its divisors is an integer number (2103381).

Almost surely, 2^12820576 is an apocalyptic number.

12820576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12820576 is a deficient number, since it is larger than the sum of its proper divisors (12419996).

12820576 is an equidigital number, since it uses as much as digits as its factorization.

12820576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400653 (or 400645 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 12820576 is about 3580.5831927215. The cubic root of 12820576 is about 234.0466948478.

The spelling of 12820576 in words is "twelve million, eight hundred twenty thousand, five hundred seventy-six".