13513201 has 4 divisors (see below), whose sum is σ = 14552692. Its totient is φ = 12473712.

The previous prime is 13513153. The next prime is 13513243. The reversal of 13513201 is 10231531.

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 1960000 + 11553201 = 1400^2 + 3399^2 .

It is a cyclic number.

It is not a de Polignac number, because 13513201 - 2²³ = 5124593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13513601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519726 + ... + 519751.

It is an arithmetic number, because the mean of its divisors is an integer number (3638173).

Almost surely, 2^13513201 is an apocalyptic number.

It is an amenable number.

13513201 is a deficient number, since it is larger than the sum of its proper divisors (1039491).

13513201 is a wasteful number, since it uses less digits than its factorization.

13513201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039490.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13513201 is about 3676.0306037899. The cubic root of 13513201 is about 238.1877446641.

Adding to 13513201 its reverse (10231531), we get a palindrome (23744732).

The spelling of 13513201 in words is "thirteen million, five hundred thirteen thousand, two hundred one".