14509689 has 4 divisors (see below), whose sum is σ = 19346256. Its totient is φ = 9673124.

The previous prime is 14509667. The next prime is 14509709. The reversal of 14509689 is 98690541.

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 14509689 - 2⁸ = 14509433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14509689.

It is not an unprimeable number, because it can be changed into a prime (14509639) 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, 2418279 + ... + 2418284.

It is an arithmetic number, because the mean of its divisors is an integer number (4836564).

Almost surely, 2^14509689 is an apocalyptic number.

It is an amenable number.

14509689 is a deficient number, since it is larger than the sum of its proper divisors (4836567).

14509689 is an equidigital number, since it uses as much as digits as its factorization.

14509689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836566.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 14509689 is about 3809.1585685030. The cubic root of 14509689 is about 243.9042500328.

The spelling of 14509689 in words is "fourteen million, five hundred nine thousand, six hundred eighty-nine".