13087571 has 8 divisors (see below), whose sum is σ = 14985984. Its totient is φ = 11196360.

The previous prime is 13087559. The next prime is 13087583. The reversal of 13087571 is 17578031.

It is an interprime number because it is at equal distance from previous prime (13087559) and next prime (13087583).

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

It is not a de Polignac number, because 13087571 - 2⁶ = 13087507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13087541) 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, 2936 + ... + 5898.

It is an arithmetic number, because the mean of its divisors is an integer number (1873248).

Almost surely, 2^13087571 is an apocalyptic number.

13087571 is a deficient number, since it is larger than the sum of its proper divisors (1898413).

13087571 is an equidigital number, since it uses as much as digits as its factorization.

13087571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 13087571 is about 3617.6748057281. The cubic root of 13087571 is about 235.6602587795.

The spelling of 13087571 in words is "thirteen million, eighty-seven thousand, five hundred seventy-one".