13838558 has 4 divisors (see below), whose sum is σ = 20757840. Its totient is φ = 6919278.

The previous prime is 13838551. The next prime is 13838563. The reversal of 13838558 is 85583831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85583831 = 17 ⋅5034343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459638 + ... + 3459641.

It is an arithmetic number, because the mean of its divisors is an integer number (5189460).

Almost surely, 2^13838558 is an apocalyptic number.

13838558 is a deficient number, since it is larger than the sum of its proper divisors (6919282).

13838558 is an equidigital number, since it uses as much as digits as its factorization.

13838558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919281.

The product of its digits is 115200, while the sum is 41.

The square root of 13838558 is about 3720.0212364985. The cubic root of 13838558 is about 240.0842181288.

The spelling of 13838558 in words is "thirteen million, eight hundred thirty-eight thousand, five hundred fifty-eight".