13730713 has 4 divisors (see below), whose sum is σ = 14538420. Its totient is φ = 12923008.

The previous prime is 13730699. The next prime is 13730719. The reversal of 13730713 is 31703731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31703731 = 31 ⋅1022701.

It can be written as a sum of positive squares in 2 ways, for example, as 5817744 + 7912969 = 2412^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 13730713 - 2¹³ = 13722521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13730719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403828 + ... + 403861.

It is an arithmetic number, because the mean of its divisors is an integer number (3634605).

Almost surely, 2^13730713 is an apocalyptic number.

It is an amenable number.

13730713 is a deficient number, since it is larger than the sum of its proper divisors (807707).

13730713 is an equidigital number, since it uses as much as digits as its factorization.

13730713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807706.

The product of its (nonzero) digits is 1323, while the sum is 25.

The square root of 13730713 is about 3705.4976723782. The cubic root of 13730713 is about 239.4589257537.

The spelling of 13730713 in words is "thirteen million, seven hundred thirty thousand, seven hundred thirteen".