13009441 has 8 divisors (see below), whose sum is σ = 13291200. Its totient is φ = 12729840.

The previous prime is 13009439. The next prime is 13009453. The reversal of 13009441 is 14490031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13009441 - 2¹ = 13009439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13007441) 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, 17995 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (1661400).

Almost surely, 2^13009441 is an apocalyptic number.

It is an amenable number.

13009441 is a deficient number, since it is larger than the sum of its proper divisors (281759).

13009441 is an equidigital number, since it uses as much as digits as its factorization.

13009441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13009441 is about 3606.8602689874. The cubic root of 13009441 is about 235.1903753852.

Adding to 13009441 its reverse (14490031), we get a palindrome (27499472).

The spelling of 13009441 in words is "thirteen million, nine thousand, four hundred forty-one".