13570081 has 8 divisors (see below), whose sum is σ = 15540480. Its totient is φ = 11607648.

The previous prime is 13570049. The next prime is 13570087. The reversal of 13570081 is 18007531.

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 13570081 - 2⁵ = 13570049 is a prime.

It is a super-3 number, since 3×13570081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13570087) 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, 2280 + ... + 5686.

It is an arithmetic number, because the mean of its divisors is an integer number (1942560).

Almost surely, 2^13570081 is an apocalyptic number.

It is an amenable number.

13570081 is a deficient number, since it is larger than the sum of its proper divisors (1970399).

13570081 is an equidigital number, since it uses as much as digits as its factorization.

13570081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 13570081 is about 3683.7590854995. The cubic root of 13570081 is about 238.5214715201.

The spelling of 13570081 in words is "thirteen million, five hundred seventy thousand, eighty-one".