13544223 has 32 divisors (see below), whose sum is σ = 23846400. Its totient is φ = 6620160.

The previous prime is 13544197. The next prime is 13544243. The reversal of 13544223 is 32244531.

It is not a de Polignac number, because 13544223 - 2¹³ = 13536031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13544193 and 13544202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2203 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (745200).

Almost surely, 2^13544223 is an apocalyptic number.

13544223 is a deficient number, since it is larger than the sum of its proper divisors (10302177).

13544223 is a wasteful number, since it uses less digits than its factorization.

13544223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487.

The product of its digits is 2880, while the sum is 24.

The square root of 13544223 is about 3680.2476818823. The cubic root of 13544223 is about 238.3698730660.

Adding to 13544223 its reverse (32244531), we get a palindrome (45788754).

The spelling of 13544223 in words is "thirteen million, five hundred forty-four thousand, two hundred twenty-three".