13158309 has 8 divisors (see below), whose sum is σ = 17582112. Its totient is φ = 8753360.

The previous prime is 13158307. The next prime is 13158349. The reversal of 13158309 is 90385131.

It is a happy number.

13158309 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 13158309 - 2¹ = 13158307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13158307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (2197764).

Almost surely, 2^13158309 is an apocalyptic number.

It is an amenable number.

13158309 is a deficient number, since it is larger than the sum of its proper divisors (4423803).

13158309 is an equidigital number, since it uses as much as digits as its factorization.

13158309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 13158309 is about 3627.4383523363. The cubic root of 13158309 is about 236.0840754260.

The spelling of 13158309 in words is "thirteen million, one hundred fifty-eight thousand, three hundred nine".