12995109 has 12 divisors (see below), whose sum is σ = 18854316. Its totient is φ = 8624832.

The previous prime is 12995083. The next prime is 12995117. The reversal of 12995109 is 90159921.

12995109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3814209 + 9180900 = 1953^2 + 3030^2 .

It is not a de Polignac number, because 12995109 - 2⁸ = 12994853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12995149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (1571193).

Almost surely, 2^12995109 is an apocalyptic number.

It is an amenable number.

12995109 is a deficient number, since it is larger than the sum of its proper divisors (5859207).

12995109 is a wasteful number, since it uses less digits than its factorization.

12995109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 12995109 is about 3604.8729519915. The cubic root of 12995109 is about 235.1039769246.

The spelling of 12995109 in words is "twelve million, nine hundred ninety-five thousand, one hundred nine".