13922839 has 8 divisors (see below), whose sum is σ = 16749440. Its totient is φ = 11305656.

The previous prime is 13922837. The next prime is 13922849. The reversal of 13922839 is 93822931.

13922839 is digitally balanced in base 2, because in such base 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 13922839 - 2¹ = 13922837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13922798 and 13922807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922833) 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, 52209 + ... + 52474.

It is an arithmetic number, because the mean of its divisors is an integer number (2093680).

Almost surely, 2^13922839 is an apocalyptic number.

13922839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13922839 is a deficient number, since it is larger than the sum of its proper divisors (2826601).

13922839 is a wasteful number, since it uses less digits than its factorization.

13922839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104709.

The product of its digits is 23328, while the sum is 37.

The square root of 13922839 is about 3731.3320677742. The cubic root of 13922839 is about 240.5706271479.

The spelling of 13922839 in words is "thirteen million, nine hundred twenty-two thousand, eight hundred thirty-nine".