13288121 has 8 divisors (see below), whose sum is σ = 16567104. Its totient is φ = 10354320.

The previous prime is 13288109. The next prime is 13288139. The reversal of 13288121 is 12188231.

13288121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13288121 - 2¹⁸ = 13025977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13288021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86210 + ... + 86363.

It is an arithmetic number, because the mean of its divisors is an integer number (2070888).

Almost surely, 2^13288121 is an apocalyptic number.

13288121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13288121 is a deficient number, since it is larger than the sum of its proper divisors (3278983).

13288121 is a wasteful number, since it uses less digits than its factorization.

13288121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172591.

The product of its digits is 768, while the sum is 26.

The square root of 13288121 is about 3645.2875058080. The cubic root of 13288121 is about 236.8578910327.

It can be divided in two parts, 1328 and 8121, that added together give a palindrome (9449).

The spelling of 13288121 in words is "thirteen million, two hundred eighty-eight thousand, one hundred twenty-one".