12113709 has 12 divisors (see below), whose sum is σ = 16894176. Its totient is φ = 7706248.

The previous prime is 12113669. The next prime is 12113723. The reversal of 12113709 is 90731121.

It is not a de Polignac number, because 12113709 - 2⁷ = 12113581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113729) 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, 28702 + ... + 29120.

It is an arithmetic number, because the mean of its divisors is an integer number (1407848).

Almost surely, 2^12113709 is an apocalyptic number.

It is an amenable number.

12113709 is a deficient number, since it is larger than the sum of its proper divisors (4780467).

12113709 is an frugal number, since it uses more digits than its factorization.

12113709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 12113709 is about 3480.4753985627. The cubic root of 12113709 is about 229.6637114426.

The spelling of 12113709 in words is "twelve million, one hundred thirteen thousand, seven hundred nine".