14665729 has 8 divisors (see below), whose sum is σ = 15887592. Its totient is φ = 13457280.

The previous prime is 14665723. The next prime is 14665733. The reversal of 14665729 is 92756641.

It can be written as a sum of positive squares in 4 ways, for example, as 5992704 + 8673025 = 2448^2 + 2945^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14665729 - 2⁷ = 14665601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14665691 and 14665700.

It is not an unprimeable number, because it can be changed into a prime (14665723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012 + ... + 5509.

It is an arithmetic number, because the mean of its divisors is an integer number (1985949).

Almost surely, 2^14665729 is an apocalyptic number.

It is an amenable number.

14665729 is a deficient number, since it is larger than the sum of its proper divisors (1221863).

14665729 is a wasteful number, since it uses less digits than its factorization.

14665729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707.

The product of its digits is 90720, while the sum is 40.

The square root of 14665729 is about 3829.5860089571. The cubic root of 14665729 is about 244.7754655325.

The spelling of 14665729 in words is "fourteen million, six hundred sixty-five thousand, seven hundred twenty-nine".