13501241 has 6 divisors (see below), whose sum is σ = 14619870. Its totient is φ = 12462528.

The previous prime is 13501219. The next prime is 13501249. The reversal of 13501241 is 14210531.

It can be written as a sum of positive squares in 3 ways, for example, as 570025 + 12931216 = 755^2 + 3596^2 .

It is not a de Polignac number, because 13501241 - 2¹⁴ = 13484857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13501249) 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, 39776 + ... + 40113.

It is an arithmetic number, because the mean of its divisors is an integer number (2436645).

Almost surely, 2^13501241 is an apocalyptic number.

It is an amenable number.

13501241 is a deficient number, since it is larger than the sum of its proper divisors (1118629).

13501241 is an equidigital number, since it uses as much as digits as its factorization.

13501241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79915 (or 79902 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13501241 is about 3674.4034890034. The cubic root of 13501241 is about 238.1174537372.

Adding to 13501241 its reverse (14210531), we get a palindrome (27711772).

The spelling of 13501241 in words is "thirteen million, five hundred one thousand, two hundred forty-one".