12795887 has 4 divisors (see below), whose sum is σ = 13780200. Its totient is φ = 11811576.

The previous prime is 12795877. The next prime is 12795907. The reversal of 12795887 is 78859721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78859721 = 43 ⋅1833947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12795887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12795847) 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 3 ways as a sum of consecutive naturals, for example, 492137 + ... + 492162.

It is an arithmetic number, because the mean of its divisors is an integer number (3445050).

Almost surely, 2^12795887 is an apocalyptic number.

12795887 is a deficient number, since it is larger than the sum of its proper divisors (984313).

12795887 is an equidigital number, since it uses as much as digits as its factorization.

12795887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984312.

The product of its digits is 282240, while the sum is 47.

The square root of 12795887 is about 3577.1339085922. The cubic root of 12795887 is about 233.8963611959.

The spelling of 12795887 in words is "twelve million, seven hundred ninety-five thousand, eight hundred eighty-seven".