13129471 has 8 divisors (see below), whose sum is σ = 13532400. Its totient is φ = 12730560.

The previous prime is 13129463. The next prime is 13129477. The reversal of 13129471 is 17492131.

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 13129471 - 2³ = 13129463 is a prime.

It is a super-3 number, since 3×13129471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129477) 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, 6445 + ... + 8233.

It is an arithmetic number, because the mean of its divisors is an integer number (1691550).

Almost surely, 2^13129471 is an apocalyptic number.

13129471 is a deficient number, since it is larger than the sum of its proper divisors (402929).

13129471 is a wasteful number, since it uses less digits than its factorization.

13129471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its digits is 1512, while the sum is 28.

The square root of 13129471 is about 3623.4611906298. The cubic root of 13129471 is about 235.9114804954.

The spelling of 13129471 in words is "thirteen million, one hundred twenty-nine thousand, four hundred seventy-one".