13809067 has 8 divisors (see below), whose sum is σ = 14579600. Its totient is φ = 13042944.

The previous prime is 13809053. The next prime is 13809071. The reversal of 13809067 is 76090831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(13809067) divides (13809067-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 13809067 - 2¹¹ = 13807019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13809667) 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, 6883 + ... + 8659.

It is an arithmetic number, because the mean of its divisors is an integer number (1822450).

Almost surely, 2^13809067 is an apocalyptic number.

13809067 is a deficient number, since it is larger than the sum of its proper divisors (770533).

13809067 is a wasteful number, since it uses less digits than its factorization.

13809067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 13809067 is about 3716.0553009879. The cubic root of 13809067 is about 239.9135510404.

Adding to 13809067 its reverse (76090831), we get a palindrome (89899898).

The spelling of 13809067 in words is "thirteen million, eight hundred nine thousand, sixty-seven".