13542223 has 4 divisors (see below), whose sum is σ = 13563928. Its totient is φ = 13520520.

The previous prime is 13542209. The next prime is 13542227. The reversal of 13542223 is 32224531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13542223 - 2⁹ = 13541711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13542194 and 13542203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9888 + ... + 11173.

It is an arithmetic number, because the mean of its divisors is an integer number (3390982).

Almost surely, 2^13542223 is an apocalyptic number.

13542223 is a deficient number, since it is larger than the sum of its proper divisors (21705).

13542223 is an equidigital number, since it uses as much as digits as its factorization.

13542223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704.

The product of its digits is 1440, while the sum is 22.

The square root of 13542223 is about 3679.9759510084. The cubic root of 13542223 is about 238.3581395711.

Adding to 13542223 its reverse (32224531), we get a palindrome (45766754).

The spelling of 13542223 in words is "thirteen million, five hundred forty-two thousand, two hundred twenty-three".