12869225 has 6 divisors (see below), whose sum is σ = 15957870. Its totient is φ = 10295360.

The previous prime is 12869209. The next prime is 12869237. The reversal of 12869225 is 52296821.

It is a happy number.

12869225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3308761 + 9560464 = 1819^2 + 3092^2 .

It is not a de Polignac number, because 12869225 - 2⁴ = 12869209 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257360 + ... + 257409.

It is an arithmetic number, because the mean of its divisors is an integer number (2659645).

Almost surely, 2^12869225 is an apocalyptic number.

It is an amenable number.

12869225 is a deficient number, since it is larger than the sum of its proper divisors (3088645).

12869225 is an equidigital number, since it uses as much as digits as its factorization.

12869225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514779 (or 514774 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 12869225 is about 3587.3702067113. The cubic root of 12869225 is about 234.3423593063.

The spelling of 12869225 in words is "twelve million, eight hundred sixty-nine thousand, two hundred twenty-five".