13389087 has 8 divisors (see below), whose sum is σ = 17869104. Its totient is φ = 8917568.

The previous prime is 13389049. The next prime is 13389107. The reversal of 13389087 is 78098331.

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 13389087 - 2⁷ = 13388959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13389287) 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 7 ways as a sum of consecutive naturals, for example, 4573 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (2233638).

Almost surely, 2^13389087 is an apocalyptic number.

13389087 is a deficient number, since it is larger than the sum of its proper divisors (4480017).

13389087 is a wasteful number, since it uses less digits than its factorization.

13389087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 13389087 is about 3659.1101377247. The cubic root of 13389087 is about 237.4562770851.

The spelling of 13389087 in words is "thirteen million, three hundred eighty-nine thousand, eighty-seven".