14158813 has 4 divisors (see below), whose sum is σ = 14262300. Its totient is φ = 14055328.

The previous prime is 14158811. The next prime is 14158829. The reversal of 14158813 is 31885141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31885141 = 181 ⋅176161.

It can be written as a sum of positive squares in 2 ways, for example, as 4782969 + 9375844 = 2187^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 14158813 - 2¹ = 14158811 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14158811) 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 in 3 ways as a sum of consecutive naturals, for example, 51538 + ... + 51811.

It is an arithmetic number, because the mean of its divisors is an integer number (3565575).

Almost surely, 2^14158813 is an apocalyptic number.

It is an amenable number.

14158813 is a deficient number, since it is larger than the sum of its proper divisors (103487).

14158813 is a wasteful number, since it uses less digits than its factorization.

14158813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103486.

The product of its digits is 3840, while the sum is 31.

The square root of 14158813 is about 3762.8198202943. The cubic root of 14158813 is about 241.9221398773.

The spelling of 14158813 in words is "fourteen million, one hundred fifty-eight thousand, eight hundred thirteen".