13616241 has 4 divisors (see below), whose sum is σ = 18154992. Its totient is φ = 9077492.

The previous prime is 13616231. The next prime is 13616249. The reversal of 13616241 is 14261631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14261631 = 3 ⋅4753877.

It is a cyclic number.

It is not a de Polignac number, because 13616241 - 2¹¹ = 13614193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13616249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269371 + ... + 2269376.

It is an arithmetic number, because the mean of its divisors is an integer number (4538748).

Almost surely, 2^13616241 is an apocalyptic number.

It is an amenable number.

13616241 is a deficient number, since it is larger than the sum of its proper divisors (4538751).

13616241 is an equidigital number, since it uses as much as digits as its factorization.

13616241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538750.

The product of its digits is 864, while the sum is 24.

The square root of 13616241 is about 3690.0191056416. The cubic root of 13616241 is about 238.7916170611.

Adding to 13616241 its reverse (14261631), we get a palindrome (27877872).

The spelling of 13616241 in words is "thirteen million, six hundred sixteen thousand, two hundred forty-one".