13581067 has 8 divisors (see below), whose sum is σ = 14445200. Its totient is φ = 12731904.

The previous prime is 13581053. The next prime is 13581083. The reversal of 13581067 is 76018531.

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

It is a 9-Lehmer number, since φ(13581067) divides (13581067-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 13581067 - 2⁷ = 13580939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13581097) 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, 1842 + ... + 5527.

It is an arithmetic number, because the mean of its divisors is an integer number (1805650).

Almost surely, 2^13581067 is an apocalyptic number.

13581067 is the 1843-rd decagonal number.

13581067 is a deficient number, since it is larger than the sum of its proper divisors (864133).

13581067 is an equidigital number, since it uses as much as digits as its factorization.

13581067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 13581067 is about 3685.2499236822. The cubic root of 13581067 is about 238.5858211745.

Adding to 13581067 its reverse (76018531), we get a palindrome (89599598).

The spelling of 13581067 in words is "thirteen million, five hundred eighty-one thousand, sixty-seven".