12964109 has 4 divisors (see below), whose sum is σ = 12994080. Its totient is φ = 12934140.

The previous prime is 12964087. The next prime is 12964117. The reversal of 12964109 is 90146921.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12964109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12964139) 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 3 ways as a sum of consecutive naturals, for example, 14327 + ... + 15204.

It is an arithmetic number, because the mean of its divisors is an integer number (3248520).

Almost surely, 2^12964109 is an apocalyptic number.

It is an amenable number.

12964109 is a deficient number, since it is larger than the sum of its proper divisors (29971).

12964109 is an equidigital number, since it uses as much as digits as its factorization.

12964109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29970.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12964109 is about 3600.5706492166. The cubic root of 12964109 is about 234.9168802161.

The spelling of 12964109 in words is "twelve million, nine hundred sixty-four thousand, one hundred nine".