13085287 has 8 divisors (see below), whose sum is σ = 13513104. Its totient is φ = 12663168.

The previous prime is 13085279. The next prime is 13085297. The reversal of 13085287 is 78258031.

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 13085287 - 2³ = 13085279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085227) 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, 3513 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (1689138).

Almost surely, 2^13085287 is an apocalyptic number.

13085287 is a deficient number, since it is larger than the sum of its proper divisors (427817).

13085287 is a wasteful number, since it uses less digits than its factorization.

13085287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 13085287 is about 3617.3591195788. The cubic root of 13085287 is about 235.6465490966.

The spelling of 13085287 in words is "thirteen million, eighty-five thousand, two hundred eighty-seven".