13715321 has 4 divisors (see below), whose sum is σ = 14437200. Its totient is φ = 12993444.

The previous prime is 13715263. The next prime is 13715327. The reversal of 13715321 is 12351731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13715321 - 2⁶ = 13715257 is a prime.

It is a super-2 number, since 2×13715321² = 376220060266082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13715327) 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 3 ways as a sum of consecutive naturals, for example, 360911 + ... + 360948.

It is an arithmetic number, because the mean of its divisors is an integer number (3609300).

Almost surely, 2^13715321 is an apocalyptic number.

It is an amenable number.

13715321 is a deficient number, since it is larger than the sum of its proper divisors (721879).

13715321 is an equidigital number, since it uses as much as digits as its factorization.

13715321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721878.

The product of its digits is 630, while the sum is 23.

The square root of 13715321 is about 3703.4201759995. The cubic root of 13715321 is about 239.3694152315.

The spelling of 13715321 in words is "thirteen million, seven hundred fifteen thousand, three hundred twenty-one".