13827329 has 4 divisors (see below), whose sum is σ = 14088276. Its totient is φ = 13566384.

The previous prime is 13827313. The next prime is 13827337. The reversal of 13827329 is 92372831.

13827329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11730625 + 2096704 = 3425^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 13827329 - 2⁴ = 13827313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13827629) 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, 130394 + ... + 130499.

It is an arithmetic number, because the mean of its divisors is an integer number (3522069).

Almost surely, 2^13827329 is an apocalyptic number.

It is an amenable number.

13827329 is a deficient number, since it is larger than the sum of its proper divisors (260947).

13827329 is an equidigital number, since it uses as much as digits as its factorization.

13827329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260946.

The product of its digits is 18144, while the sum is 35.

The square root of 13827329 is about 3718.5116646314. The cubic root of 13827329 is about 240.0192635001.

The spelling of 13827329 in words is "thirteen million, eight hundred twenty-seven thousand, three hundred twenty-nine".