13340839 has 8 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 12977976.

The previous prime is 13340813. The next prime is 13340849. The reversal of 13340839 is 93804331.

13340839 is digitally balanced in base 2 and base 3, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 13340839 - 2⁵ = 13340807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13340839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340849) 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, 4362 + ... + 6760.

It is an arithmetic number, because the mean of its divisors is an integer number (1713600).

Almost surely, 2^13340839 is an apocalyptic number.

13340839 is a deficient number, since it is larger than the sum of its proper divisors (367961).

13340839 is an equidigital number, since it uses as much as digits as its factorization.

13340839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 13340839 is about 3652.5113278401. The cubic root of 13340839 is about 237.1707067121.

The spelling of 13340839 in words is "thirteen million, three hundred forty thousand, eight hundred thirty-nine".