13544172 has 60 divisors (see below), whose sum is σ = 37505160. Its totient is φ = 4247424.

The previous prime is 13544149. The next prime is 13544177. The reversal of 13544172 is 27144531.

13544172 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13544177) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4279 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (625086).

Almost surely, 2^13544172 is an apocalyptic number.

13544172 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 13544172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18752580).

13544172 is an abundant number, since it is smaller than the sum of its proper divisors (23960988).

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

13544172 is a wasteful number, since it uses less digits than its factorization.

13544172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2481 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 13544172 is about 3680.2407529943. The cubic root of 13544172 is about 238.3695738762.

The spelling of 13544172 in words is "thirteen million, five hundred forty-four thousand, one hundred seventy-two".