13741565 has 4 divisors (see below), whose sum is σ = 16489884. Its totient is φ = 10993248.

The previous prime is 13741561. The next prime is 13741583. The reversal of 13741565 is 56514731.

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 8048569 + 5692996 = 2837^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 13741565 - 2² = 13741561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13741561) 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, 1374152 + ... + 1374161.

It is an arithmetic number, because the mean of its divisors is an integer number (4122471).

Almost surely, 2^13741565 is an apocalyptic number.

It is an amenable number.

13741565 is a deficient number, since it is larger than the sum of its proper divisors (2748319).

13741565 is an equidigital number, since it uses as much as digits as its factorization.

13741565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748318.

The product of its digits is 12600, while the sum is 32.

The square root of 13741565 is about 3706.9616938943. The cubic root of 13741565 is about 239.5219941941.

The spelling of 13741565 in words is "thirteen million, seven hundred forty-one thousand, five hundred sixty-five".