13727613 has 4 divisors (see below), whose sum is σ = 18303488. Its totient is φ = 9151740.

The previous prime is 13727611. The next prime is 13727639. The reversal of 13727613 is 31672731.

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 not a de Polignac number, because 13727613 - 2¹ = 13727611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13727611) 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, 2287933 + ... + 2287938.

It is an arithmetic number, because the mean of its divisors is an integer number (4575872).

Almost surely, 2^13727613 is an apocalyptic number.

It is an amenable number.

13727613 is a deficient number, since it is larger than the sum of its proper divisors (4575875).

13727613 is an equidigital number, since it uses as much as digits as its factorization.

13727613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575874.

The product of its digits is 5292, while the sum is 30.

The square root of 13727613 is about 3705.0793513770. The cubic root of 13727613 is about 239.4409034184.

The spelling of 13727613 in words is "thirteen million, seven hundred twenty-seven thousand, six hundred thirteen".