13564241 has 4 divisors (see below), whose sum is σ = 13645632. Its totient is φ = 13482852.

The previous prime is 13564231. The next prime is 13564253. The reversal of 13564241 is 14246531.

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 cyclic number.

It is not a de Polignac number, because 13564241 - 2¹⁴ = 13547857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13564241.

It is not an unprimeable number, because it can be changed into a prime (13564211) 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, 40445 + ... + 40778.

It is an arithmetic number, because the mean of its divisors is an integer number (3411408).

Almost surely, 2^13564241 is an apocalyptic number.

It is an amenable number.

13564241 is a deficient number, since it is larger than the sum of its proper divisors (81391).

13564241 is an equidigital number, since it uses as much as digits as its factorization.

13564241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81390.

The product of its digits is 2880, while the sum is 26.

The square root of 13564241 is about 3682.9663316408. The cubic root of 13564241 is about 238.4872500278.

The spelling of 13564241 in words is "thirteen million, five hundred sixty-four thousand, two hundred forty-one".