13131201 has 4 divisors (see below), whose sum is σ = 17508272. Its totient is φ = 8754132.

The previous prime is 13131199. The next prime is 13131203. The reversal of 13131201 is 10213131.

13131201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10213131 = 3 ⋅3404377.

It is an interprime number because it is at equal distance from previous prime (13131199) and next prime (13131203).

It is not a de Polignac number, because 13131201 - 2¹ = 13131199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131203) 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, 2188531 + ... + 2188536.

It is an arithmetic number, because the mean of its divisors is an integer number (4377068).

Almost surely, 2^13131201 is an apocalyptic number.

It is an amenable number.

13131201 is a deficient number, since it is larger than the sum of its proper divisors (4377071).

13131201 is an equidigital number, since it uses as much as digits as its factorization.

13131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377070.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 13131201 is about 3623.6999047934. The cubic root of 13131201 is about 235.9218416373.

Adding to 13131201 its reverse (10213131), we get a palindrome (23344332).

The spelling of 13131201 in words is "thirteen million, one hundred thirty-one thousand, two hundred one".