13580329 has 4 divisors (see below), whose sum is σ = 15520384. Its totient is φ = 11640276.

The previous prime is 13580317. The next prime is 13580339. The reversal of 13580329 is 92308531.

It is a happy number.

13580329 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92308531 = 7 ⋅13186933.

It is a cyclic number.

It is not a de Polignac number, because 13580329 - 2⁹ = 13579817 is a prime.

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 13580329.

It is not an unprimeable number, because it can be changed into a prime (13580309) 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, 970017 + ... + 970030.

It is an arithmetic number, because the mean of its divisors is an integer number (3880096).

Almost surely, 2^13580329 is an apocalyptic number.

It is an amenable number.

13580329 is a deficient number, since it is larger than the sum of its proper divisors (1940055).

13580329 is an equidigital number, since it uses as much as digits as its factorization.

13580329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940054.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 13580329 is about 3685.1497934277. The cubic root of 13580329 is about 238.5814994835.

The spelling of 13580329 in words is "thirteen million, five hundred eighty thousand, three hundred twenty-nine".