12820548 has 24 divisors (see below), whose sum is σ = 32216128. Its totient is φ = 3944736.

The previous prime is 12820547. The next prime is 12820559. The reversal of 12820548 is 84502821.

It is not an unprimeable number, because it can be changed into a prime (12820547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40936 + ... + 41247.

Almost surely, 2^12820548 is an apocalyptic number.

It is an amenable number.

12820548 is an abundant number, since it is smaller than the sum of its proper divisors (19395580).

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

12820548 is a wasteful number, since it uses less digits than its factorization.

12820548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82203 (or 82201 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12820548 is about 3580.5792827418. The cubic root of 12820548 is about 234.0465244625.

The spelling of 12820548 in words is "twelve million, eight hundred twenty thousand, five hundred forty-eight".