13389289 has 8 divisors (see below), whose sum is σ = 14068800. Its totient is φ = 12717936.

The previous prime is 13389287. The next prime is 13389293. The reversal of 13389289 is 98298331.

It is a happy number.

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 13389289 - 2¹ = 13389287 is a prime.

It is a Duffinian 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, 1474 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (1758600).

Almost surely, 2^13389289 is an apocalyptic number.

It is an amenable number.

13389289 is a deficient number, since it is larger than the sum of its proper divisors (679511).

13389289 is a wasteful number, since it uses less digits than its factorization.

13389289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079.

The product of its digits is 93312, while the sum is 43.

The square root of 13389289 is about 3659.1377399601. The cubic root of 13389289 is about 237.4574712399.

The spelling of 13389289 in words is "thirteen million, three hundred eighty-nine thousand, two hundred eighty-nine".