13122201 has 8 divisors (see below), whose sum is σ = 17513824. Its totient is φ = 8739360.

The previous prime is 13122191. The next prime is 13122211. The reversal of 13122201 is 10222131.

It is an interprime number because it is at equal distance from previous prime (13122191) and next prime (13122211).

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

It is not a de Polignac number, because 13122201 - 2⁵ = 13122169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122211) 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, 3165 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (2189228).

Almost surely, 2^13122201 is an apocalyptic number.

It is an amenable number.

13122201 is a deficient number, since it is larger than the sum of its proper divisors (4391623).

13122201 is a wasteful number, since it uses less digits than its factorization.

13122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13122201 is about 3622.4578672498. The cubic root of 13122201 is about 235.8679297914.

Adding to 13122201 its reverse (10222131), we get a palindrome (23344332).

The spelling of 13122201 in words is "thirteen million, one hundred twenty-two thousand, two hundred one".