13824400 has 120 divisors (see below), whose sum is σ = 37363680. Its totient is φ = 4884480.

The previous prime is 13824379. The next prime is 13824401. The reversal of 13824400 is 442831.

It is a super-2 number, since 2×13824400² = 382228070720000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13824401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129147 + ... + 129253.

It is an arithmetic number, because the mean of its divisors is an integer number (311364).

Almost surely, 2^13824400 is an apocalyptic number.

13824400 is a gapful number since it is divisible by the number (10) 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 13824400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18681840).

13824400 is an abundant number, since it is smaller than the sum of its proper divisors (23539280).

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

13824400 is a wasteful number, since it uses less digits than its factorization.

13824400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 13824400 is about 3718.1178034054. The cubic root of 13824400 is about 240.0023147925.

The spelling of 13824400 in words is "thirteen million, eight hundred twenty-four thousand, four hundred".