13842427 has 4 divisors (see below), whose sum is σ = 13874976. Its totient is φ = 13809880.

The previous prime is 13842419. The next prime is 13842443. The reversal of 13842427 is 72424831.

13842427 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, and also an emirpimes, since its reverse is a distinct semiprime: 72424831 = 1399 ⋅51769.

It is a cyclic number.

It is not a de Polignac number, because 13842427 - 2³ = 13842419 is a prime.

It is a super-2 number, since 2×13842427² = 383225570500658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13842407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15628 + ... + 16489.

It is an arithmetic number, because the mean of its divisors is an integer number (3468744).

Almost surely, 2^13842427 is an apocalyptic number.

13842427 is a deficient number, since it is larger than the sum of its proper divisors (32549).

13842427 is an equidigital number, since it uses as much as digits as its factorization.

13842427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32548.

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

The square root of 13842427 is about 3720.5412240694. The cubic root of 13842427 is about 240.1065903848.

The spelling of 13842427 in words is "thirteen million, eight hundred forty-two thousand, four hundred twenty-seven".