13580081 has 4 divisors (see below), whose sum is σ = 13630464. Its totient is φ = 13529700.

The previous prime is 13580071. The next prime is 13580111. The reversal of 13580081 is 18008531.

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: 18008531 = 2347 ⋅7673.

It is a cyclic number.

It is not a de Polignac number, because 13580081 - 2¹⁰ = 13579057 is a prime.

It is a super-2 number, since 2×13580081² = 368837199933122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 13580081.

It is not an unprimeable number, because it can be changed into a prime (13580011) 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, 24785 + ... + 25326.

It is an arithmetic number, because the mean of its divisors is an integer number (3407616).

Almost surely, 2^13580081 is an apocalyptic number.

It is an amenable number.

13580081 is a deficient number, since it is larger than the sum of its proper divisors (50383).

13580081 is an equidigital number, since it uses as much as digits as its factorization.

13580081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50382.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 13580081 is about 3685.1161447097. The cubic root of 13580081 is about 238.5800471728.

The spelling of 13580081 in words is "thirteen million, five hundred eighty thousand, eighty-one".