13839737 has 2 divisors, whose sum is σ = 13839738. Its totient is φ = 13839736.

The previous prime is 13839719. The next prime is 13839797. The reversal of 13839737 is 73793831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 561001 = 3644^2 + 749^2 .

It is an emirp because it is prime and its reverse (73793831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13839737 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13839694 and 13839703.

It is not a weakly prime, because it can be changed into another prime (13839797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919868 + 6919869.

It is an arithmetic number, because the mean of its divisors is an integer number (6919869).

Almost surely, 2^13839737 is an apocalyptic number.

It is an amenable number.

13839737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13839737 is an equidigital number, since it uses as much as digits as its factorization.

13839737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 13839737 is about 3720.1796999607. The cubic root of 13839737 is about 240.0910360660.

The spelling of 13839737 in words is "thirteen million, eight hundred thirty-nine thousand, seven hundred thirty-seven".