13161252 has 48 divisors (see below), whose sum is σ = 33304320. Its totient is φ = 4021248.

The previous prime is 13161229. The next prime is 13161277. The reversal of 13161252 is 25216131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37108 + ... + 37460.

It is an arithmetic number, because the mean of its divisors is an integer number (693840).

Almost surely, 2^13161252 is an apocalyptic number.

13161252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13161252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16652160).

13161252 is an abundant number, since it is smaller than the sum of its proper divisors (20143068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13161252 is a wasteful number, since it uses less digits than its factorization.

13161252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 610 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 13161252 is about 3627.8439878253. The cubic root of 13161252 is about 236.1016750441.

Adding to 13161252 its reverse (25216131), we get a palindrome (38377383).

The spelling of 13161252 in words is "thirteen million, one hundred sixty-one thousand, two hundred fifty-two".