12285725 has 6 divisors (see below), whose sum is σ = 15234330. Its totient is φ = 9828560.

The previous prime is 12285709. The next prime is 12285731. The reversal of 12285725 is 52758221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3363556 + 8922169 = 1834^2 + 2987^2 .

It is not a de Polignac number, because 12285725 - 2⁴ = 12285709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12285691 and 12285700.

It is a congruent 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, 245690 + ... + 245739.

It is an arithmetic number, because the mean of its divisors is an integer number (2539055).

Almost surely, 2^12285725 is an apocalyptic number.

It is an amenable number.

12285725 is a deficient number, since it is larger than the sum of its proper divisors (2948605).

12285725 is an equidigital number, since it uses as much as digits as its factorization.

12285725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491439 (or 491434 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 12285725 is about 3505.0998559242. The cubic root of 12285725 is about 230.7456894077.

The spelling of 12285725 in words is "twelve million, two hundred eighty-five thousand, seven hundred twenty-five".