12795681 has 4 divisors (see below), whose sum is σ = 17060912. Its totient is φ = 8530452.

The previous prime is 12795677. The next prime is 12795689. The reversal of 12795681 is 18659721.

12795681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12795681 - 2² = 12795677 is a prime.

It is a super-2 number, since 2×12795681² = 327458904507522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12795689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132611 + ... + 2132616.

It is an arithmetic number, because the mean of its divisors is an integer number (4265228).

Almost surely, 2^12795681 is an apocalyptic number.

It is an amenable number.

12795681 is a deficient number, since it is larger than the sum of its proper divisors (4265231).

12795681 is an equidigital number, since it uses as much as digits as its factorization.

12795681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265230.

The product of its digits is 30240, while the sum is 39.

The square root of 12795681 is about 3577.1051144746. The cubic root of 12795681 is about 233.8951060293.

The spelling of 12795681 in words is "twelve million, seven hundred ninety-five thousand, six hundred eighty-one".