13284439 has 18 divisors (see below), whose sum is σ = 16331184. Its totient is φ = 10773000.

The previous prime is 13284437. The next prime is 13284473. The reversal of 13284439 is 93448231.

It is not a de Polignac number, because 13284439 - 2¹ = 13284437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13284433) 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 17 ways as a sum of consecutive naturals, for example, 17314 + ... + 18064.

It is an arithmetic number, because the mean of its divisors is an integer number (907288).

Almost surely, 2^13284439 is an apocalyptic number.

13284439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13284439 is a deficient number, since it is larger than the sum of its proper divisors (3046745).

13284439 is an equidigital number, since it uses as much as digits as its factorization.

13284439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 777 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 13284439 is about 3644.7824352079. The cubic root of 13284439 is about 236.8360120598.

The spelling of 13284439 in words is "thirteen million, two hundred eighty-four thousand, four hundred thirty-nine".