13331201 has 4 divisors (see below), whose sum is σ = 14356692. Its totient is φ = 12305712.

The previous prime is 13331189. The next prime is 13331203. The reversal of 13331201 is 10213331.

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 8151025 + 5180176 = 2855^2 + 2276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331203) 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, 512726 + ... + 512751.

It is an arithmetic number, because the mean of its divisors is an integer number (3589173).

Almost surely, 2^13331201 is an apocalyptic number.

It is an amenable number.

13331201 is a deficient number, since it is larger than the sum of its proper divisors (1025491).

13331201 is a wasteful number, since it uses less digits than its factorization.

13331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025490.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13331201 is about 3651.1917232597. The cubic root of 13331201 is about 237.1135788218.

Adding to 13331201 its reverse (10213331), we get a palindrome (23544532).

The spelling of 13331201 in words is "thirteen million, three hundred thirty-one thousand, two hundred one".