13214609 has 4 divisors (see below), whose sum is σ = 13311204. Its totient is φ = 13118016.

The previous prime is 13214599. The next prime is 13214623. The reversal of 13214609 is 90641231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8720209 + 4494400 = 2953^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 13214609 - 2⁸ = 13214353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13214639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48092 + ... + 48365.

It is an arithmetic number, because the mean of its divisors is an integer number (3327801).

Almost surely, 2^13214609 is an apocalyptic number.

It is an amenable number.

13214609 is a deficient number, since it is larger than the sum of its proper divisors (96595).

13214609 is an equidigital number, since it uses as much as digits as its factorization.

13214609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96594.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13214609 is about 3635.1903664045. The cubic root of 13214609 is about 236.4203045900.

It can be divided in two parts, 132 and 14609, that added together give a palindrome (14741).

The spelling of 13214609 in words is "thirteen million, two hundred fourteen thousand, six hundred nine".