13575081 has 16 divisors (see below), whose sum is σ = 19716480. Its totient is φ = 8257920.

The previous prime is 13575077. The next prime is 13575097. The reversal of 13575081 is 18057531.

It is not a de Polignac number, because 13575081 - 2² = 13575077 is a prime.

It is a super-2 number, since 2×13575081² = 368565648313122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13575031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (1232280).

Almost surely, 2^13575081 is an apocalyptic number.

It is an amenable number.

13575081 is a deficient number, since it is larger than the sum of its proper divisors (6141399).

13575081 is a wasteful number, since it uses less digits than its factorization.

13575081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 13575081 is about 3684.4376775839. The cubic root of 13575081 is about 238.5507629422.

The spelling of 13575081 in words is "thirteen million, five hundred seventy-five thousand, eighty-one".