13271705 has 8 divisors (see below), whose sum is σ = 16475400. Its totient is φ = 10251136.

The previous prime is 13271669. The next prime is 13271711. The reversal of 13271705 is 50717231.

It can be written as a sum of positive squares in 4 ways, for example, as 256 + 13271449 = 16^2 + 3643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13271705 - 2¹⁸ = 13009561 is a prime.

It is a super-2 number, since 2×13271705² = 352276307214050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45620 + ... + 45909.

It is an arithmetic number, because the mean of its divisors is an integer number (2059425).

Almost surely, 2^13271705 is an apocalyptic number.

It is an amenable number.

13271705 is a deficient number, since it is larger than the sum of its proper divisors (3203695).

13271705 is an equidigital number, since it uses as much as digits as its factorization.

13271705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91563.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 13271705 is about 3643.0351357076. The cubic root of 13271705 is about 236.7603136198.

Adding to 13271705 its reverse (50717231), we get a palindrome (63988936).

The spelling of 13271705 in words is "thirteen million, two hundred seventy-one thousand, seven hundred five".