12785273 has 2 divisors, whose sum is σ = 12785274. Its totient is φ = 12785272.

The previous prime is 12785257. The next prime is 12785303. The reversal of 12785273 is 37258721.

12785273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 310249 = 3532^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 12785273 - 2⁴ = 12785257 is a prime.

It is not a weakly prime, because it can be changed into another prime (12785203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6392636 + 6392637.

It is an arithmetic number, because the mean of its divisors is an integer number (6392637).

Almost surely, 2^12785273 is an apocalyptic number.

It is an amenable number.

12785273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12785273 is an equidigital number, since it uses as much as digits as its factorization.

12785273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 35.

The square root of 12785273 is about 3575.6500108372. The cubic root of 12785273 is about 233.8316721096.

The spelling of 12785273 in words is "twelve million, seven hundred eighty-five thousand, two hundred seventy-three".