12385265 has 8 divisors (see below), whose sum is σ = 15736680. Its totient is φ = 9325312.

The previous prime is 12385249. The next prime is 12385267. The reversal of 12385265 is 56258321.

12385265 = 2488² + 2489².

It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 11336689 = 1024^2 + 3367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12385265 - 2⁴ = 12385249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12385267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72770 + ... + 72939.

It is an arithmetic number, because the mean of its divisors is an integer number (1967085).

Almost surely, 2^12385265 is an apocalyptic number.

12385265 is the 2489-th centered square number.

It is an amenable number.

12385265 is a deficient number, since it is larger than the sum of its proper divisors (3351415).

12385265 is a wasteful number, since it uses less digits than its factorization.

12385265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145731.

The product of its digits is 14400, while the sum is 32.

The square root of 12385265 is about 3519.2705210029. The cubic root of 12385265 is about 231.3671877432.

The spelling of 12385265 in words is "twelve million, three hundred eighty-five thousand, two hundred sixty-five".