13083581 has 8 divisors (see below), whose sum is σ = 15435264. Its totient is φ = 10852560.

The previous prime is 13083569. The next prime is 13083589. The reversal of 13083581 is 18538031.

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 13083581 - 2¹⁰ = 13082557 is a prime.

It is a super-2 number, since 2×13083581² = 342360183567122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13083589) 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, 29930 + ... + 30363.

It is an arithmetic number, because the mean of its divisors is an integer number (1929408).

Almost surely, 2^13083581 is an apocalyptic number.

It is an amenable number.

13083581 is a deficient number, since it is larger than the sum of its proper divisors (2351683).

13083581 is an equidigital number, since it uses as much as digits as its factorization.

13083581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60331.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 13083581 is about 3617.1233045059. The cubic root of 13083581 is about 235.6363078110.

The spelling of 13083581 in words is "thirteen million, eighty-three thousand, five hundred eighty-one".