13289555 has 4 divisors (see below), whose sum is σ = 15947472. Its totient is φ = 10631640.

The previous prime is 13289543. The next prime is 13289581. The reversal of 13289555 is 55598231.

13289555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55598231 = 13 ⋅4276787.

It is not a de Polignac number, because 13289555 - 2⁸ = 13289299 is a prime.

It is a super-2 number, since 2×13289555² = 353224544196050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328951 + ... + 1328960.

It is an arithmetic number, because the mean of its divisors is an integer number (3986868).

Almost surely, 2^13289555 is an apocalyptic number.

13289555 is a deficient number, since it is larger than the sum of its proper divisors (2657917).

13289555 is an equidigital number, since it uses as much as digits as its factorization.

13289555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657916.

The product of its digits is 54000, while the sum is 38.

The square root of 13289555 is about 3645.4841928062. The cubic root of 13289555 is about 236.8664109732.

The spelling of 13289555 in words is "thirteen million, two hundred eighty-nine thousand, five hundred fifty-five".