13727026 has 4 divisors (see below), whose sum is σ = 20590542. Its totient is φ = 6863512.

The previous prime is 13727023. The next prime is 13727039. The reversal of 13727026 is 62072731.

13727026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3705²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 1 = 3705^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13726985 and 13727003.

It is not an unprimeable number, because it can be changed into a prime (13727023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431755 + ... + 3431758.

Almost surely, 2^13727026 is an apocalyptic number.

13727026 is a deficient number, since it is larger than the sum of its proper divisors (6863516).

13727026 is an equidigital number, since it uses as much as digits as its factorization.

13727026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863515.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 13727026 is about 3705.0001349528. Note that the first 3 decimals coincide. The cubic root of 13727026 is about 239.4374904965.

Adding to 13727026 its reverse (62072731), we get a palindrome (75799757).

The spelling of 13727026 in words is "thirteen million, seven hundred twenty-seven thousand, twenty-six".