13087109 has 8 divisors (see below), whose sum is σ = 14993088. Its totient is φ = 11190240.

The previous prime is 13087099. The next prime is 13087111. The reversal of 13087109 is 90178031.

13087109 is digitally balanced in base 2, because in such base 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 13087109 - 2¹⁶ = 13021573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13087169) 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, 1154 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (1874136).

Almost surely, 2^13087109 is an apocalyptic number.

It is an amenable number.

13087109 is a deficient number, since it is larger than the sum of its proper divisors (1905979).

13087109 is an equidigital number, since it uses as much as digits as its factorization.

13087109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 13087109 is about 3617.6109519958. The cubic root of 13087109 is about 235.6574857587.

The spelling of 13087109 in words is "thirteen million, eighty-seven thousand, one hundred nine".