13140441 has 8 divisors (see below), whose sum is σ = 19467360. Its totient is φ = 8760276.

The previous prime is 13140433. The next prime is 13140461. The reversal of 13140441 is 14404131.

It is not a de Polignac number, because 13140441 - 2³ = 13140433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13140461) 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, 243315 + ... + 243368.

It is an arithmetic number, because the mean of its divisors is an integer number (2433420).

Almost surely, 2^13140441 is an apocalyptic number.

It is an amenable number.

13140441 is a deficient number, since it is larger than the sum of its proper divisors (6326919).

13140441 is an equidigital number, since it uses as much as digits as its factorization.

13140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486692 (or 486686 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13140441 is about 3624.9746206008. The cubic root of 13140441 is about 235.9771655107.

Adding to 13140441 its reverse (14404131), we get a palindrome (27544572).

The spelling of 13140441 in words is "thirteen million, one hundred forty thousand, four hundred forty-one".