13843224 has 48 divisors (see below), whose sum is σ = 38886120. Its totient is φ = 4613760.

The previous prime is 13843223. The next prime is 13843231. The reversal of 13843224 is 42234831.

13843224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13843223) 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, 1617 + ... + 5504.

Almost surely, 2^13843224 is an apocalyptic number.

It is an amenable number.

13843224 is an abundant number, since it is smaller than the sum of its proper divisors (25042896).

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

13843224 is an equidigital number, since it uses as much as digits as its factorization.

13843224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142 (or 7126 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 13843224 is about 3720.6483306005. The cubic root of 13843224 is about 240.1111984708. Note that the first 4 decimals are identical.

The spelling of 13843224 in words is "thirteen million, eight hundred forty-three thousand, two hundred twenty-four".