13755839 has 8 divisors (see below), whose sum is σ = 14742000. Its totient is φ = 12789376.

The previous prime is 13755827. The next prime is 13755871. The reversal of 13755839 is 93855731.

It is a happy number.

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 13755839 - 2⁸ = 13755583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13755796 and 13755805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13755809) 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, 3464 + ... + 6285.

It is an arithmetic number, because the mean of its divisors is an integer number (1842750).

Almost surely, 2^13755839 is an apocalyptic number.

13755839 is a deficient number, since it is larger than the sum of its proper divisors (986161).

13755839 is an equidigital number, since it uses as much as digits as its factorization.

13755839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849.

The product of its digits is 113400, while the sum is 41.

The square root of 13755839 is about 3708.8864905791. The cubic root of 13755839 is about 239.6048996911.

The spelling of 13755839 in words is "thirteen million, seven hundred fifty-five thousand, eight hundred thirty-nine".