13553713 has 4 divisors (see below), whose sum is σ = 13693540. Its totient is φ = 13413888.

The previous prime is 13553711. The next prime is 13553723. The reversal of 13553713 is 31735531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31735531 = 89 ⋅356579.

It can be written as a sum of positive squares in 2 ways, for example, as 3268864 + 10284849 = 1808^2 + 3207^2 .

It is a cyclic number.

It is not a de Polignac number, because 13553713 - 2¹ = 13553711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13553711) 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, 69768 + ... + 69961.

It is an arithmetic number, because the mean of its divisors is an integer number (3423385).

Almost surely, 2^13553713 is an apocalyptic number.

It is an amenable number.

13553713 is a deficient number, since it is larger than the sum of its proper divisors (139827).

13553713 is an equidigital number, since it uses as much as digits as its factorization.

13553713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139826.

The product of its digits is 4725, while the sum is 28.

The square root of 13553713 is about 3681.5367715127. The cubic root of 13553713 is about 238.4255327611.

The spelling of 13553713 in words is "thirteen million, five hundred fifty-three thousand, seven hundred thirteen".