13824442 has 8 divisors (see below), whose sum is σ = 20765376. Its totient is φ = 6902652.

The previous prime is 13824409. The next prime is 13824443. The reversal of 13824442 is 24442831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13824442² = 382230393222728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13824442.

It is not an unprimeable number, because it can be changed into a prime (13824443) 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, 2818 + ... + 5965.

It is an arithmetic number, because the mean of its divisors is an integer number (2595672).

Almost surely, 2^13824442 is an apocalyptic number.

13824442 is a deficient number, since it is larger than the sum of its proper divisors (6940934).

13824442 is an equidigital number, since it uses as much as digits as its factorization.

13824442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572.

The product of its digits is 6144, while the sum is 28.

The square root of 13824442 is about 3718.1234514201. The cubic root of 13824442 is about 240.0025578431.

The spelling of 13824442 in words is "thirteen million, eight hundred twenty-four thousand, four hundred forty-two".