12960109 has 16 divisors (see below), whose sum is σ = 14561280. Its totient is φ = 11476080.

The previous prime is 12960097. The next prime is 12960119. The reversal of 12960109 is 90106921.

12960109 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12960109 - 2⁷ = 12959981 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 (12960119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20224 + ... + 20854.

It is an arithmetic number, because the mean of its divisors is an integer number (910080).

Almost surely, 2^12960109 is an apocalyptic number.

12960109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12960109 is a deficient number, since it is larger than the sum of its proper divisors (1601171).

12960109 is a wasteful number, since it uses less digits than its factorization.

12960109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 12960109 is about 3600.0151388571. The cubic root of 12960109 is about 234.8927169877.

The spelling of 12960109 in words is "twelve million, nine hundred sixty thousand, one hundred nine".