13086487 has 4 divisors (see below), whose sum is σ = 13101336. Its totient is φ = 13071640.

The previous prime is 13086473. The next prime is 13086499. The reversal of 13086487 is 78468031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13086487 is a prime.

It is a super-2 number, since 2×13086487² = 342512284002338, 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 (13086427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (3275334).

Almost surely, 2^13086487 is an apocalyptic number.

13086487 is a deficient number, since it is larger than the sum of its proper divisors (14849).

13086487 is an equidigital number, since it uses as much as digits as its factorization.

13086487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14848.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 13086487 is about 3617.5249826366. The cubic root of 13086487 is about 235.6537522813.

The spelling of 13086487 in words is "thirteen million, eighty-six thousand, four hundred eighty-seven".