13340442 has 8 divisors (see below), whose sum is σ = 26680896. Its totient is φ = 4446812.

The previous prime is 13340423. The next prime is 13340443. The reversal of 13340442 is 24404331.

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

13340442 is an admirable 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, 1111698 + ... + 1111709.

It is an arithmetic number, because the mean of its divisors is an integer number (3335112).

Almost surely, 2^13340442 is an apocalyptic number.

13340442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13340442 is a wasteful number, since it uses less digits than its factorization.

13340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223412.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13340442 is about 3652.4569812662. The cubic root of 13340442 is about 237.1683540938.

Adding to 13340442 its reverse (24404331), we get a palindrome (37744773).

The spelling of 13340442 in words is "thirteen million, three hundred forty thousand, four hundred forty-two".