13145241 has 4 divisors (see below), whose sum is σ = 17526992. Its totient is φ = 8763492.

The previous prime is 13145203. The next prime is 13145243. The reversal of 13145241 is 14254131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-13145241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13145243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190871 + ... + 2190876.

It is an arithmetic number, because the mean of its divisors is an integer number (4381748).

Almost surely, 2^13145241 is an apocalyptic number.

It is an amenable number.

13145241 is a deficient number, since it is larger than the sum of its proper divisors (4381751).

13145241 is an equidigital number, since it uses as much as digits as its factorization.

13145241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381750.

The product of its digits is 480, while the sum is 21.

The square root of 13145241 is about 3625.6366337514. The cubic root of 13145241 is about 236.0058949499.

Adding to 13145241 its reverse (14254131), we get a palindrome (27399372).

It can be divided in two parts, 1314 and 5241, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 13145241 in words is "thirteen million, one hundred forty-five thousand, two hundred forty-one".