13824879 has 4 divisors (see below), whose sum is σ = 18433176. Its totient is φ = 9216584.

The previous prime is 13824841. The next prime is 13824901. The reversal of 13824879 is 97842831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97842831 = 3 ⋅32614277.

It is a cyclic number.

It is not a de Polignac number, because 13824879 - 2⁹ = 13824367 is a prime.

It is a super-2 number, since 2×13824879² = 382254558729282, 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 13824879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13824809) 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, 2304144 + ... + 2304149.

It is an arithmetic number, because the mean of its divisors is an integer number (4608294).

Almost surely, 2^13824879 is an apocalyptic number.

13824879 is a deficient number, since it is larger than the sum of its proper divisors (4608297).

13824879 is an equidigital number, since it uses as much as digits as its factorization.

13824879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608296.

The product of its digits is 96768, while the sum is 42.

The square root of 13824879 is about 3718.1822171593. The cubic root of 13824879 is about 240.0050866977.

The spelling of 13824879 in words is "thirteen million, eight hundred twenty-four thousand, eight hundred seventy-nine".