13431441 has 8 divisors (see below), whose sum is σ = 17928064. Its totient is φ = 8944560.

The previous prime is 13431433. The next prime is 13431497. The reversal of 13431441 is 14413431.

13431441 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 not a de Polignac number, because 13431441 - 2³ = 13431433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431421) 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, 1875 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (2241008).

Almost surely, 2^13431441 is an apocalyptic number.

It is an amenable number.

13431441 is a deficient number, since it is larger than the sum of its proper divisors (4496623).

13431441 is a wasteful number, since it uses less digits than its factorization.

13431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871.

The product of its digits is 576, while the sum is 21.

The square root of 13431441 is about 3664.8930407312. The cubic root of 13431441 is about 237.7063971272.

Adding to 13431441 its reverse (14413431), we get a palindrome (27844872).

The spelling of 13431441 in words is "thirteen million, four hundred thirty-one thousand, four hundred forty-one".