13271917 has 8 divisors (see below), whose sum is σ = 14103936. Its totient is φ = 12445632.

The previous prime is 13271893. The next prime is 13271927. The reversal of 13271917 is 71917231.

13271917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13271917 - 2¹¹ = 13269869 is a prime.

It is a super-2 number, since 2×13271917² = 352287561709778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13271927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948 + ... + 6490.

It is an arithmetic number, because the mean of its divisors is an integer number (1762992).

Almost surely, 2^13271917 is an apocalyptic number.

13271917 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13271917 is a deficient number, since it is larger than the sum of its proper divisors (832019).

13271917 is a wasteful number, since it uses less digits than its factorization.

13271917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867.

The product of its digits is 2646, while the sum is 31.

The square root of 13271917 is about 3643.0642322089. The cubic root of 13271917 is about 236.7615742697.

The spelling of 13271917 in words is "thirteen million, two hundred seventy-one thousand, nine hundred seventeen".