14213806 has 4 divisors (see below), whose sum is σ = 21320712. Its totient is φ = 7106902.

The previous prime is 14213789. The next prime is 14213807. The reversal of 14213806 is 60831241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60831241 = 29 ⋅2097629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14213807) 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, 3553450 + ... + 3553453.

It is an arithmetic number, because the mean of its divisors is an integer number (5330178).

Almost surely, 2^14213806 is an apocalyptic number.

14213806 is a deficient number, since it is larger than the sum of its proper divisors (7106906).

14213806 is an equidigital number, since it uses as much as digits as its factorization.

14213806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106905.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 14213806 is about 3770.1201572364. The cubic root of 14213806 is about 242.2349447472.

The spelling of 14213806 in words is "fourteen million, two hundred thirteen thousand, eight hundred six".