13340441 has 4 divisors (see below), whose sum is σ = 13458612. Its totient is φ = 13222272.

The previous prime is 13340423. The next prime is 13340443. The reversal of 13340441 is 14404331.

It is a happy number.

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 5382400 + 7958041 = 2320^2 + 2821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13340441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58916 + ... + 59141.

It is an arithmetic number, because the mean of its divisors is an integer number (3364653).

Almost surely, 2^13340441 is an apocalyptic number.

It is an amenable number.

13340441 is a deficient number, since it is larger than the sum of its proper divisors (118171).

13340441 is a wasteful number, since it uses less digits than its factorization.

13340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118170.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13340441 is about 3652.4568443720. The cubic root of 13340441 is about 237.1683481677.

Adding to 13340441 its reverse (14404331), we get a palindrome (27744772).

The spelling of 13340441 in words is "thirteen million, three hundred forty thousand, four hundred forty-one".