13009727 has 4 divisors (see below), whose sum is σ = 13025376. Its totient is φ = 12994080.

The previous prime is 13009723. The next prime is 13009729. The reversal of 13009727 is 72790031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13009727 - 2² = 13009723 is a prime.

It is a super-2 number, since 2×13009727² = 338505993229058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13009727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13009721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6503 + ... + 8264.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 2^13009727 is an apocalyptic number.

13009727 is a deficient number, since it is larger than the sum of its proper divisors (15649).

13009727 is an equidigital number, since it uses as much as digits as its factorization.

13009727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 13009727 is about 3606.8999154399. The cubic root of 13009727 is about 235.1920988503.

Adding to 13009727 its reverse (72790031), we get a palindrome (85799758).

The spelling of 13009727 in words is "thirteen million, nine thousand, seven hundred twenty-seven".