13614209 has 12 divisors (see below), whose sum is σ = 15988500. Its totient is φ = 11557728.

The previous prime is 13614197. The next prime is 13614221. The reversal of 13614209 is 90241631.

It is an interprime number because it is at equal distance from previous prime (13614197) and next prime (13614221).

It can be written as a sum of positive squares in 2 ways, for example, as 11242609 + 2371600 = 3353^2 + 1540^2 .

It is not a de Polignac number, because 13614209 - 2⁴ = 13614193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13614259) 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 11 ways as a sum of consecutive naturals, for example, 4067 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (1332375).

Almost surely, 2^13614209 is an apocalyptic number.

It is an amenable number.

13614209 is a deficient number, since it is larger than the sum of its proper divisors (2374291).

13614209 is a wasteful number, since it uses less digits than its factorization.

13614209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672 (or 2665 counting only the distinct ones).

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

The square root of 13614209 is about 3689.7437580407. The cubic root of 13614209 is about 238.7797378964.

The spelling of 13614209 in words is "thirteen million, six hundred fourteen thousand, two hundred nine".