13209107 has 4 divisors (see below), whose sum is σ = 13783440. Its totient is φ = 12634776.

The previous prime is 13209101. The next prime is 13209109. The reversal of 13209107 is 70190231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70190231 = 31 ⋅2264201.

It is a cyclic number.

It is not a de Polignac number, because 13209107 - 2⁸ = 13208851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 574309 = 13209107 / (1 + 3 + 2 + 0 + 9 + 1 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (13209101) 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, 287132 + ... + 287177.

It is an arithmetic number, because the mean of its divisors is an integer number (3445860).

Almost surely, 2^13209107 is an apocalyptic number.

13209107 is a deficient number, since it is larger than the sum of its proper divisors (574333).

13209107 is an equidigital number, since it uses as much as digits as its factorization.

13209107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574332.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 13209107 is about 3634.4335184455. The cubic root of 13209107 is about 236.3874882555.

Adding to 13209107 its reverse (70190231), we get a palindrome (83399338).

The spelling of 13209107 in words is "thirteen million, two hundred nine thousand, one hundred seven".