13541245 has 4 divisors (see below), whose sum is σ = 16249500. Its totient is φ = 10832992.

The previous prime is 13541239. The next prime is 13541249. The reversal of 13541245 is 54214531.

It is a happy number.

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 2604996 + 10936249 = 1614^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 13541245 - 2³ = 13541237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354120 + ... + 1354129.

It is an arithmetic number, because the mean of its divisors is an integer number (4062375).

Almost surely, 2^13541245 is an apocalyptic number.

It is an amenable number.

13541245 is a deficient number, since it is larger than the sum of its proper divisors (2708255).

13541245 is an equidigital number, since it uses as much as digits as its factorization.

13541245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708254.

The product of its digits is 2400, while the sum is 25.

The square root of 13541245 is about 3679.8430673060. The cubic root of 13541245 is about 238.3524014715.

Adding to 13541245 its reverse (54214531), we get a palindrome (67755776).

The spelling of 13541245 in words is "thirteen million, five hundred forty-one thousand, two hundred forty-five".