12125825 has 12 divisors (see below), whose sum is σ = 15443580. Its totient is φ = 9437760.

The previous prime is 12125809. The next prime is 12125837. The reversal of 12125825 is 52852121.

It can be written as a sum of positive squares in 6 ways, for example, as 8464 + 12117361 = 92^2 + 3481^2 .

It is not a de Polignac number, because 12125825 - 2⁴ = 12125809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12125794 and 12125803.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5630 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (1286965).

Almost surely, 2^12125825 is an apocalyptic number.

It is an amenable number.

12125825 is a deficient number, since it is larger than the sum of its proper divisors (3317755).

12125825 is a wasteful number, since it uses less digits than its factorization.

12125825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13156 (or 13151 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 12125825 is about 3482.2155303772. The cubic root of 12125825 is about 229.7402549777.

Adding to 12125825 its reverse (52852121), we get a palindrome (64977946).

The spelling of 12125825 in words is "twelve million, one hundred twenty-five thousand, eight hundred twenty-five".