13305727 has 4 divisors (see below), whose sum is σ = 13734976. Its totient is φ = 12876480.

The previous prime is 13305709. The next prime is 13305749. The reversal of 13305727 is 72750331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13305727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13305695 and 13305704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305797) 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, 214578 + ... + 214639.

It is an arithmetic number, because the mean of its divisors is an integer number (3433744).

Almost surely, 2^13305727 is an apocalyptic number.

13305727 is a deficient number, since it is larger than the sum of its proper divisors (429249).

13305727 is an equidigital number, since it uses as much as digits as its factorization.

13305727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429248.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 13305727 is about 3647.7016051207. The cubic root of 13305727 is about 236.9624525846.

The spelling of 13305727 in words is "thirteen million, three hundred five thousand, seven hundred twenty-seven".