12889325 has 12 divisors (see below), whose sum is σ = 16029108. Its totient is φ = 10281600.

The previous prime is 12889313. The next prime is 12889333. The reversal of 12889325 is 52398821.

It can be written as a sum of positive squares in 6 ways, for example, as 702244 + 12187081 = 838^2 + 3491^2 .

It is not a de Polignac number, because 12889325 - 2⁴ = 12889309 is a prime.

It is a super-2 number, since 2×12889325² = 332269397911250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13049 + ... + 14001.

It is an arithmetic number, because the mean of its divisors is an integer number (1335759).

Almost surely, 2^12889325 is an apocalyptic number.

It is an amenable number.

12889325 is a deficient number, since it is larger than the sum of its proper divisors (3139783).

12889325 is an equidigital number, since it uses as much as digits as its factorization.

12889325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1499 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 12889325 is about 3590.1706087594. The cubic root of 12889325 is about 234.4642996011.

The spelling of 12889325 in words is "twelve million, eight hundred eighty-nine thousand, three hundred twenty-five".