13147441 has 6 divisors (see below), whose sum is σ = 13586226. Its totient is φ = 12722400.

The previous prime is 13147427. The next prime is 13147447. The reversal of 13147441 is 14474131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 216225 = 3596^2 + 465^2 .

It is not a de Polignac number, because 13147441 - 2⁹ = 13146929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13147447) 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 5 ways as a sum of consecutive naturals, for example, 5880 + ... + 7801.

It is an arithmetic number, because the mean of its divisors is an integer number (2264371).

Almost surely, 2^13147441 is an apocalyptic number.

It is an amenable number.

13147441 is a deficient number, since it is larger than the sum of its proper divisors (438785).

13147441 is an equidigital number, since it uses as much as digits as its factorization.

13147441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743 (or 13712 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 13147441 is about 3625.9400160510. The cubic root of 13147441 is about 236.0190602723.

The spelling of 13147441 in words is "thirteen million, one hundred forty-seven thousand, four hundred forty-one".