13726261 has 4 divisors (see below), whose sum is σ = 13852300. Its totient is φ = 13600224.

The previous prime is 13726249. The next prime is 13726283. The reversal of 13726261 is 16262731.

13726261 is digitally balanced in base 2 and base 3, because in such bases 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 an emirpimes, since its reverse is a distinct semiprime: 16262731 = 127 ⋅128053.

It can be written as a sum of positive squares in 2 ways, for example, as 11458225 + 2268036 = 3385^2 + 1506^2 .

It is a cyclic number.

It is not a de Polignac number, because 13726261 - 2⁷ = 13726133 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 (13726201) 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, 62856 + ... + 63073.

It is an arithmetic number, because the mean of its divisors is an integer number (3463075).

Almost surely, 2^13726261 is an apocalyptic number.

It is an amenable number.

13726261 is a deficient number, since it is larger than the sum of its proper divisors (126039).

13726261 is a wasteful number, since it uses less digits than its factorization.

13726261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126038.

The product of its digits is 3024, while the sum is 28.

The square root of 13726261 is about 3704.8968946517. The cubic root of 13726261 is about 239.4330425050.

Adding to 13726261 its reverse (16262731), we get a palindrome (29988992).

The spelling of 13726261 in words is "thirteen million, seven hundred twenty-six thousand, two hundred sixty-one".