12852225 has 27 divisors (see below), whose sum is σ = 23116483. Its totient is φ = 6825840.

The previous prime is 12852179. The next prime is 12852233. The reversal of 12852225 is 52225821.

The square root of 12852225 is 3585.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4626801 + 8225424 = 2151^2 + 2868^2 .

It is not a de Polignac number, because 12852225 - 2¹⁹ = 12327937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 53656 + ... + 53894.

Almost surely, 2^12852225 is an apocalyptic number.

12852225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12852225 is the 3585-th square number.

12852225 is the 1793-rd centered octagonal number.

It is an amenable number.

12852225 is a deficient number, since it is larger than the sum of its proper divisors (10264258).

12852225 is an equidigital number, since it uses as much as digits as its factorization.

12852225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 247 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The cubic root of 12852225 is about 234.2391265791.

The spelling of 12852225 in words is "twelve million, eight hundred fifty-two thousand, two hundred twenty-five".