13717261 has 4 divisors (see below), whose sum is σ = 14190300. Its totient is φ = 13244224.

The previous prime is 13717243. The next prime is 13717267. The reversal of 13717261 is 16271731.

13717261 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 an emirpimes, since its reverse is a distinct semiprime: 16271731 = 7 ⋅2324533.

It can be written as a sum of positive squares in 2 ways, for example, as 10201636 + 3515625 = 3194^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 13717261 - 2⁵ = 13717229 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 (13717267) 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, 236476 + ... + 236533.

It is an arithmetic number, because the mean of its divisors is an integer number (3547575).

Almost surely, 2^13717261 is an apocalyptic number.

It is an amenable number.

13717261 is a deficient number, since it is larger than the sum of its proper divisors (473039).

13717261 is an equidigital number, since it uses as much as digits as its factorization.

13717261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473038.

The product of its digits is 1764, while the sum is 28.

The square root of 13717261 is about 3703.6820867888. The cubic root of 13717261 is about 239.3807007802.

Adding to 13717261 its reverse (16271731), we get a palindrome (29988992).

The spelling of 13717261 in words is "thirteen million, seven hundred seventeen thousand, two hundred sixty-one".