13726313 has 4 divisors (see below), whose sum is σ = 13737360. Its totient is φ = 13715268.

The previous prime is 13726301. The next prime is 13726333. The reversal of 13726313 is 31362731.

13726313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13726313 - 2⁶ = 13726249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13726333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (3434340).

Almost surely, 2^13726313 is an apocalyptic number.

It is an amenable number.

13726313 is a deficient number, since it is larger than the sum of its proper divisors (11047).

13726313 is an equidigital number, since it uses as much as digits as its factorization.

13726313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046.

The product of its digits is 2268, while the sum is 26.

The square root of 13726313 is about 3704.9039123842. The cubic root of 13726313 is about 239.4333448574.

The spelling of 13726313 in words is "thirteen million, seven hundred twenty-six thousand, three hundred thirteen".