13171252 has 6 divisors (see below), whose sum is σ = 23049698. Its totient is φ = 6585624.

The previous prime is 13171247. The next prime is 13171259. The reversal of 13171252 is 25217131.

It is a happy number.

13171252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9461776 + 3709476 = 3076^2 + 1926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13171259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1646403 + ... + 1646410.

Almost surely, 2^13171252 is an apocalyptic number.

It is an amenable number.

13171252 is a deficient number, since it is larger than the sum of its proper divisors (9878446).

13171252 is a wasteful number, since it uses less digits than its factorization.

13171252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292817 (or 3292815 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 13171252 is about 3629.2219551854. The cubic root of 13171252 is about 236.1614570728.

Adding to 13171252 its reverse (25217131), we get a palindrome (38388383).

The spelling of 13171252 in words is "thirteen million, one hundred seventy-one thousand, two hundred fifty-two".