12695881 has 8 divisors (see below), whose sum is σ = 14328000. Its totient is φ = 11143440.

The previous prime is 12695873. The next prime is 12695887. The reversal of 12695881 is 18859621.

12695881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12695881 - 2³ = 12695873 is a prime.

It is a super-2 number, since 2×12695881² = 322370788732322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12695887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19581 + ... + 20218.

It is an arithmetic number, because the mean of its divisors is an integer number (1791000).

Almost surely, 2^12695881 is an apocalyptic number.

12695881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12695881 is a deficient number, since it is larger than the sum of its proper divisors (1632119).

12695881 is a wasteful number, since it uses less digits than its factorization.

12695881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39839.

The product of its digits is 34560, while the sum is 40.

The square root of 12695881 is about 3563.1279797392. The cubic root of 12695881 is about 233.2854293949.

The spelling of 12695881 in words is "twelve million, six hundred ninety-five thousand, eight hundred eighty-one".