1341565 has 8 divisors (see below), whose sum is σ = 1621080. Its totient is φ = 1065792.

The previous prime is 1341559. The next prime is 1341577. The reversal of 1341565 is 5651431.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 1338649 = 54^2 + 1157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1341565 - 2⁷ = 1341437 is a prime.

1341565 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (202635).

2^1341565 is an apocalyptic number.

It is an amenable number.

1341565 is a deficient number, since it is larger than the sum of its proper divisors (279515).

1341565 is a wasteful number, since it uses less digits than its factorization.

1341565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 1800, while the sum is 25.

The square root of 1341565 is about 1158.2594700670. The cubic root of 1341565 is about 110.2902801349.

Adding to 1341565 its reverse (5651431), we get a palindrome (6992996).

The spelling of 1341565 in words is "one million, three hundred forty-one thousand, five hundred sixty-five".