12930109 has 4 divisors (see below), whose sum is σ = 13142140. Its totient is φ = 12718080.

The previous prime is 12930107. The next prime is 12930119. The reversal of 12930109 is 90103921.

12930109 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.

It can be written as a sum of positive squares in 2 ways, for example, as 525625 + 12404484 = 725^2 + 3522^2 .

It is a cyclic number.

It is not a de Polignac number, because 12930109 - 2¹ = 12930107 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 (12930107) 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, 105924 + ... + 106045.

It is an arithmetic number, because the mean of its divisors is an integer number (3285535).

Almost surely, 2^12930109 is an apocalyptic number.

It is an amenable number.

12930109 is a deficient number, since it is larger than the sum of its proper divisors (212031).

12930109 is an equidigital number, since it uses as much as digits as its factorization.

12930109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212030.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 12930109 is about 3595.8460756823. The cubic root of 12930109 is about 234.7113341048.

The spelling of 12930109 in words is "twelve million, nine hundred thirty thousand, one hundred nine".