13843456 has 44 divisors (see below), whose sum is σ = 30213720. Its totient is φ = 6287360.

The previous prime is 13843451. The next prime is 13843477. The reversal of 13843456 is 65434831.

13843456 = T₁₅₈₁ + T₁₅₈₂ + ... + T₁₅₉₁.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13843451) 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, 10650 + ... + 11878.

Almost surely, 2^13843456 is an apocalyptic number.

13843456 is a gapful number since it is divisible by the number (16) 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 13843456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15106860).

13843456 is an abundant number, since it is smaller than the sum of its proper divisors (16370264).

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

13843456 is a wasteful number, since it uses less digits than its factorization.

13843456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260 (or 1242 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 13843456 is about 3720.6795078319. The cubic root of 13843456 is about 240.1125398126.

The spelling of 13843456 in words is "thirteen million, eight hundred forty-three thousand, four hundred fifty-six".