13384839 has 16 divisors (see below), whose sum is σ = 19841024. Its totient is φ = 7970400.

The previous prime is 13384807. The next prime is 13384841. The reversal of 13384839 is 93848331.

13384839 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 not a de Polignac number, because 13384839 - 2⁵ = 13384807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13384797 and 13384806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13384879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327 + ... + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (1240064).

Almost surely, 2^13384839 is an apocalyptic number.

13384839 is a deficient number, since it is larger than the sum of its proper divisors (6456185).

13384839 is a wasteful number, since it uses less digits than its factorization.

13384839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118.

The product of its digits is 62208, while the sum is 39.

The square root of 13384839 is about 3658.5296226763. The cubic root of 13384839 is about 237.4311615822.

The spelling of 13384839 in words is "thirteen million, three hundred eighty-four thousand, eight hundred thirty-nine".