13112709 has 8 divisors (see below), whose sum is σ = 17515200. Its totient is φ = 8726016.

The previous prime is 13112651. The next prime is 13112711. The reversal of 13112709 is 90721131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13112709 - 2⁷ = 13112581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852 + ... + 5445.

It is an arithmetic number, because the mean of its divisors is an integer number (2189400).

Almost surely, 2^13112709 is an apocalyptic number.

It is an amenable number.

13112709 is a deficient number, since it is larger than the sum of its proper divisors (4402491).

13112709 is an equidigital number, since it uses as much as digits as its factorization.

13112709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899.

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

The square root of 13112709 is about 3621.1474700708. The cubic root of 13112709 is about 235.8110440490.

The spelling of 13112709 in words is "thirteen million, one hundred twelve thousand, seven hundred nine".