13122611 has 8 divisors (see below), whose sum is σ = 13601280. Its totient is φ = 12651912.

The previous prime is 13122607. The next prime is 13122631. The reversal of 13122611 is 11622131.

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

It is a cyclic number.

It is not a de Polignac number, because 13122611 - 2² = 13122607 is a prime.

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 13122611.

It is not an unprimeable number, because it can be changed into a prime (13122601) 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 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 5328.

It is an arithmetic number, because the mean of its divisors is an integer number (1700160).

Almost surely, 2^13122611 is an apocalyptic number.

13122611 is a deficient number, since it is larger than the sum of its proper divisors (478669).

13122611 is an equidigital number, since it uses as much as digits as its factorization.

13122611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985.

The product of its digits is 72, while the sum is 17.

The square root of 13122611 is about 3622.5144582182. The cubic root of 13122611 is about 235.8703863113.

Adding to 13122611 its reverse (11622131), we get a palindrome (24744742).

The spelling of 13122611 in words is "thirteen million, one hundred twenty-two thousand, six hundred eleven".