13231441 has 4 divisors (see below), whose sum is σ = 13249332. Its totient is φ = 13213552.

The previous prime is 13231411. The next prime is 13231481. The reversal of 13231441 is 14413231.

13231441 is digitally balanced in base 2, 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: 14413231 = 7 ⋅2059033.

It can be written as a sum of positive squares in 2 ways, for example, as 271441 + 12960000 = 521^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231441 - 2⁷ = 13231313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231411) 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, 7786 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (3312333).

Almost surely, 2^13231441 is an apocalyptic number.

It is an amenable number.

13231441 is a deficient number, since it is larger than the sum of its proper divisors (17891).

13231441 is an equidigital number, since it uses as much as digits as its factorization.

13231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17890.

The product of its digits is 288, while the sum is 19.

The square root of 13231441 is about 3637.5047766292. The cubic root of 13231441 is about 236.5206414766.

Adding to 13231441 its reverse (14413231), we get a palindrome (27644672).

It can be divided in two parts, 132314 and 41, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 13231441 in words is "thirteen million, two hundred thirty-one thousand, four hundred forty-one".