13214523 has 8 divisors (see below), whose sum is σ = 20136448. Its totient is φ = 7551144.

The previous prime is 13214521. The next prime is 13214527. The reversal of 13214523 is 32541231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13214523 - 2¹ = 13214521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 629263 = 13214523 / (1 + 3 + 2 + 1 + 4 + 5 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13214523.

It is not an unprimeable number, because it can be changed into a prime (13214521) 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 7 ways as a sum of consecutive naturals, for example, 314611 + ... + 314652.

It is an arithmetic number, because the mean of its divisors is an integer number (2517056).

Almost surely, 2^13214523 is an apocalyptic number.

13214523 is a deficient number, since it is larger than the sum of its proper divisors (6921925).

13214523 is an equidigital number, since it uses as much as digits as its factorization.

13214523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629273.

The product of its digits is 720, while the sum is 21.

The square root of 13214523 is about 3635.1785375687. The cubic root of 13214523 is about 236.4197917185.

Adding to 13214523 its reverse (32541231), we get a palindrome (45755754).

The spelling of 13214523 in words is "thirteen million, two hundred fourteen thousand, five hundred twenty-three".