12865273 has 8 divisors (see below), whose sum is σ = 13307328. Its totient is φ = 12430704.

The previous prime is 12865253. The next prime is 12865289. The reversal of 12865273 is 37256821.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12865273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12865253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1740 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (1663416).

Almost surely, 2^12865273 is an apocalyptic number.

It is an amenable number.

12865273 is a deficient number, since it is larger than the sum of its proper divisors (442055).

12865273 is an equidigital number, since it uses as much as digits as its factorization.

12865273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743.

The product of its digits is 20160, while the sum is 34.

The square root of 12865273 is about 3586.8193430949. The cubic root of 12865273 is about 234.3183688479.

The spelling of 12865273 in words is "twelve million, eight hundred sixty-five thousand, two hundred seventy-three".