12728095 has 4 divisors (see below), whose sum is σ = 15273720. Its totient is φ = 10182472.

The previous prime is 12728083. The next prime is 12728113. The reversal of 12728095 is 59082721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59082721 = 71 ⋅832151.

It is a cyclic number.

It is not a de Polignac number, because 12728095 - 2⁵ = 12728063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12728095.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1272805 + ... + 1272814.

It is an arithmetic number, because the mean of its divisors is an integer number (3818430).

Almost surely, 2^12728095 is an apocalyptic number.

12728095 is a deficient number, since it is larger than the sum of its proper divisors (2545625).

12728095 is an equidigital number, since it uses as much as digits as its factorization.

12728095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545624.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12728095 is about 3567.6455821732. The cubic root of 12728095 is about 233.4825723275.

The spelling of 12728095 in words is "twelve million, seven hundred twenty-eight thousand, ninety-five".