13739847 has 8 divisors (see below), whose sum is σ = 19985280. Its totient is φ = 8327160.

The previous prime is 13739821. The next prime is 13739897. The reversal of 13739847 is 74893731.

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

It is not a de Polignac number, because 13739847 - 2¹¹ = 13737799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13739799 and 13739808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13739897) 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 7 ways as a sum of consecutive naturals, for example, 208147 + ... + 208212.

It is an arithmetic number, because the mean of its divisors is an integer number (2498160).

Almost surely, 2^13739847 is an apocalyptic number.

13739847 is a deficient number, since it is larger than the sum of its proper divisors (6245433).

13739847 is a wasteful number, since it uses less digits than its factorization.

13739847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416373.

The product of its digits is 127008, while the sum is 42.

The square root of 13739847 is about 3706.7299604908. The cubic root of 13739847 is about 239.5120119265.

The spelling of 13739847 in words is "thirteen million, seven hundred thirty-nine thousand, eight hundred forty-seven".