14085709 has 4 divisors (see below), whose sum is σ = 15366240. Its totient is φ = 12805180.

The previous prime is 14085691. The next prime is 14085713. The reversal of 14085709 is 90758041.

It is a happy number.

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 not a de Polignac number, because 14085709 - 2⁷ = 14085581 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 (14085739) 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, 640249 + ... + 640270.

It is an arithmetic number, because the mean of its divisors is an integer number (3841560).

Almost surely, 2^14085709 is an apocalyptic number.

It is an amenable number.

14085709 is a deficient number, since it is larger than the sum of its proper divisors (1280531).

14085709 is a wasteful number, since it uses less digits than its factorization.

14085709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280530.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 14085709 is about 3753.0932575677. The cubic root of 14085709 is about 241.5050615699.

It can be divided in two parts, 1408 and 5709, that added together give a palindrome (7117).

The spelling of 14085709 in words is "fourteen million, eighty-five thousand, seven hundred nine".