13155201 has 18 divisors (see below), whose sum is σ = 20059650. Its totient is φ = 8306496.

The previous prime is 13155193. The next prime is 13155209. The reversal of 13155201 is 10255131.

It is an interprime number because it is at equal distance from previous prime (13155193) and next prime (13155209).

It can be written as a sum of positive squares in only one way, i.e., 9828225 + 3326976 = 3135^2 + 1824^2 .

It is not a de Polignac number, because 13155201 - 2³ = 13155193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13155209) 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 17 ways as a sum of consecutive naturals, for example, 1225 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (1114425).

Almost surely, 2^13155201 is an apocalyptic number.

It is an amenable number.

13155201 is a deficient number, since it is larger than the sum of its proper divisors (6904449).

13155201 is a wasteful number, since it uses less digits than its factorization.

13155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 13155201 is about 3627.0099255447. The cubic root of 13155201 is about 236.0654862318.

The spelling of 13155201 in words is "thirteen million, one hundred fifty-five thousand, two hundred one".