12852020 has 24 divisors (see below), whose sum is σ = 27167784. Its totient is φ = 5106816.

The previous prime is 12852001. The next prime is 12852041. The reversal of 12852020 is 2025821.

It can be written as a sum of positive squares in 4 ways, for example, as 376996 + 12475024 = 614^2 + 3532^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12851983 and 12852001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (1131991).

Almost surely, 2^12852020 is an apocalyptic number.

12852020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12852020 is an abundant number, since it is smaller than the sum of its proper divisors (14315764).

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

12852020 is a wasteful number, since it uses less digits than its factorization.

12852020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259 (or 4257 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 12852020 is about 3584.9714085331. The cubic root of 12852020 is about 234.2378811585.

Adding to 12852020 its reverse (2025821), we get a palindrome (14877841).

The spelling of 12852020 in words is "twelve million, eight hundred fifty-two thousand, twenty".