13679737 has 2 divisors, whose sum is σ = 13679738. Its totient is φ = 13679736.

The previous prime is 13679723. The next prime is 13679749. The reversal of 13679737 is 73797631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13660416 + 19321 = 3696^2 + 139^2 .

It is an emirp because it is prime and its reverse (73797631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13679737 - 2¹¹ = 13677689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13679693 and 13679702.

It is not a weakly prime, because it can be changed into another prime (13679707) 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 as a sum of consecutive naturals, namely, 6839868 + 6839869.

It is an arithmetic number, because the mean of its divisors is an integer number (6839869).

Almost surely, 2^13679737 is an apocalyptic number.

It is an amenable number.

13679737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13679737 is an equidigital number, since it uses as much as digits as its factorization.

13679737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 166698, while the sum is 43.

The square root of 13679737 is about 3698.6128480824. The cubic root of 13679737 is about 239.1622236235.

The spelling of 13679737 in words is "thirteen million, six hundred seventy-nine thousand, seven hundred thirty-seven".