13086447 has 16 divisors (see below), whose sum is σ = 20155392. Its totient is φ = 7464320.

The previous prime is 13086427. The next prime is 13086449. The reversal of 13086447 is 74468031.

It is a cyclic number.

It is not a de Polignac number, because 13086447 - 2¹⁶ = 13020911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11103 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (1259712).

Almost surely, 2^13086447 is an apocalyptic number.

13086447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13086447 is a deficient number, since it is larger than the sum of its proper divisors (7068945).

13086447 is a wasteful number, since it uses less digits than its factorization.

13086447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23358.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 13086447 is about 3617.5194539905. The cubic root of 13086447 is about 235.6535121822.

The spelling of 13086447 in words is "thirteen million, eighty-six thousand, four hundred forty-seven".