13486172 has 36 divisors (see below), whose sum is σ = 27818280. Its totient is φ = 5703264.

The previous prime is 13486163. The next prime is 13486177. The reversal of 13486172 is 27168431.

13486172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13486177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15854 + ... + 16682.

It is an arithmetic number, because the mean of its divisors is an integer number (772730).

Almost surely, 2^13486172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13486172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13909140).

13486172 is an abundant number, since it is smaller than the sum of its proper divisors (14332108).

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

13486172 is a wasteful number, since it uses less digits than its factorization.

13486172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 921 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 13486172 is about 3672.3523796063. The cubic root of 13486172 is about 238.0288315706.

It can be divided in two parts, 13 and 486172, that multiplied together give a palindrome (6320236).

The spelling of 13486172 in words is "thirteen million, four hundred eighty-six thousand, one hundred seventy-two".