13288441 has 4 divisors (see below), whose sum is σ = 14070132. Its totient is φ = 12506752.

The previous prime is 13288433. The next prime is 13288447. The reversal of 13288441 is 14488231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11532816 + 1755625 = 3396^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 13288441 - 2³ = 13288433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13288447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390820 + ... + 390853.

It is an arithmetic number, because the mean of its divisors is an integer number (3517533).

Almost surely, 2^13288441 is an apocalyptic number.

It is an amenable number.

13288441 is a deficient number, since it is larger than the sum of its proper divisors (781691).

13288441 is an equidigital number, since it uses as much as digits as its factorization.

13288441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781690.

The product of its digits is 6144, while the sum is 31.

The square root of 13288441 is about 3645.3313978293. The cubic root of 13288441 is about 236.8597923278.

The spelling of 13288441 in words is "thirteen million, two hundred eighty-eight thousand, four hundred forty-one".