13152171 has 4 divisors (see below), whose sum is σ = 17536232. Its totient is φ = 8768112.

The previous prime is 13152127. The next prime is 13152193. The reversal of 13152171 is 17125131.

It is a happy number.

13152171 is digitally balanced in base 3, 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: 17125131 = 3 ⋅5708377.

It is not a de Polignac number, because 13152171 - 2¹⁸ = 12890027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13152071) 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, 2192026 + ... + 2192031.

It is an arithmetic number, because the mean of its divisors is an integer number (4384058).

Almost surely, 2^13152171 is an apocalyptic number.

13152171 is a deficient number, since it is larger than the sum of its proper divisors (4384061).

13152171 is an equidigital number, since it uses as much as digits as its factorization.

13152171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384060.

The product of its digits is 210, while the sum is 21.

The square root of 13152171 is about 3626.5922020542. The cubic root of 13152171 is about 236.0473607430.

It can be divided in two parts, 1315 and 2171, that added together give a triangular number (3486 = T₈₃).

The spelling of 13152171 in words is "thirteen million, one hundred fifty-two thousand, one hundred seventy-one".