13261471 has 4 divisors (see below), whose sum is σ = 13294944. Its totient is φ = 13228000.

The previous prime is 13261453. The next prime is 13261481. The reversal of 13261471 is 17416231.

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

It is a cyclic number.

It is not a de Polignac number, because 13261471 - 2¹¹ = 13259423 is a prime.

It is a super-3 number, since 3×13261471³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261421) 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, 16135 + ... + 16936.

It is an arithmetic number, because the mean of its divisors is an integer number (3323736).

Almost surely, 2^13261471 is an apocalyptic number.

13261471 is a deficient number, since it is larger than the sum of its proper divisors (33473).

13261471 is an equidigital number, since it uses as much as digits as its factorization.

13261471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33472.

The product of its digits is 1008, while the sum is 25.

The square root of 13261471 is about 3641.6302667899. The cubic root of 13261471 is about 236.6994415585.

The spelling of 13261471 in words is "thirteen million, two hundred sixty-one thousand, four hundred seventy-one".