12828020 has 48 divisors (see below), whose sum is σ = 28546560. Its totient is φ = 4832256.

The previous prime is 12828007. The next prime is 12828031. The reversal of 12828020 is 2082821.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36164 + ... + 36516.

It is an arithmetic number, because the mean of its divisors is an integer number (594720).

Almost surely, 2^12828020 is an apocalyptic number.

12828020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12828020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14273280).

12828020 is an abundant number, since it is smaller than the sum of its proper divisors (15718540).

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

12828020 is a wasteful number, since it uses less digits than its factorization.

12828020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 12828020 is about 3581.6225373425. The cubic root of 12828020 is about 234.0919841937.

The spelling of 12828020 in words is "twelve million, eight hundred twenty-eight thousand, twenty".