13824427 has 4 divisors (see below), whose sum is σ = 13907376. Its totient is φ = 13741480.

The previous prime is 13824409. The next prime is 13824443. The reversal of 13824427 is 72442831.

13824427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13824427 - 2¹⁹ = 13300139 is a prime.

It is a super-2 number, since 2×13824427² = 382229563756658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13824407) 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, 41224 + ... + 41557.

It is an arithmetic number, because the mean of its divisors is an integer number (3476844).

Almost surely, 2^13824427 is an apocalyptic number.

13824427 is a deficient number, since it is larger than the sum of its proper divisors (82949).

13824427 is an equidigital number, since it uses as much as digits as its factorization.

13824427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82948.

The product of its digits is 10752, while the sum is 31.

The square root of 13824427 is about 3718.1214342730. The cubic root of 13824427 is about 240.0024710394.

The spelling of 13824427 in words is "thirteen million, eight hundred twenty-four thousand, four hundred twenty-seven".