13874559 has 4 divisors (see below), whose sum is σ = 18499416. Its totient is φ = 9249704.

The previous prime is 13874537. The next prime is 13874569. The reversal of 13874559 is 95547831.

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 13874559 - 2⁸ = 13874303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13874559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13874569) 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, 2312424 + ... + 2312429.

It is an arithmetic number, because the mean of its divisors is an integer number (4624854).

Almost surely, 2^13874559 is an apocalyptic number.

13874559 is a deficient number, since it is larger than the sum of its proper divisors (4624857).

13874559 is an equidigital number, since it uses as much as digits as its factorization.

13874559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624856.

The product of its digits is 151200, while the sum is 42.

The square root of 13874559 is about 3724.8569100034. The cubic root of 13874559 is about 240.2922308326.

The spelling of 13874559 in words is "thirteen million, eight hundred seventy-four thousand, five hundred fifty-nine".