13855223 has 4 divisors (see below), whose sum is σ = 14457648. Its totient is φ = 13252800.

The previous prime is 13855211. The next prime is 13855249. The reversal of 13855223 is 32255831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32255831 = 59 ⋅546709.

It is a cyclic number.

It is not a de Polignac number, because 13855223 - 2¹⁸ = 13593079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13854223) 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, 301178 + ... + 301223.

It is an arithmetic number, because the mean of its divisors is an integer number (3614412).

Almost surely, 2^13855223 is an apocalyptic number.

13855223 is a deficient number, since it is larger than the sum of its proper divisors (602425).

13855223 is an equidigital number, since it uses as much as digits as its factorization.

13855223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602424.

The product of its digits is 7200, while the sum is 29.

The square root of 13855223 is about 3722.2604691236. The cubic root of 13855223 is about 240.1805527929.

The spelling of 13855223 in words is "thirteen million, eight hundred fifty-five thousand, two hundred twenty-three".