1343505 has 8 divisors (see below), whose sum is σ = 2149632. Its totient is φ = 716528.

The previous prime is 1343501. The next prime is 1343519. The reversal of 1343505 is 5053431.

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 1343505 - 2² = 1343501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44769 + ... + 44798.

It is an arithmetic number, because the mean of its divisors is an integer number (268704).

2^1343505 is an apocalyptic number.

1343505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343505 is a deficient number, since it is larger than the sum of its proper divisors (806127).

1343505 is an equidigital number, since it uses as much as digits as its factorization.

1343505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89575.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1343505 is about 1159.0966310019. The cubic root of 1343505 is about 110.3434171032.

Adding to 1343505 its reverse (5053431), we get a palindrome (6396936).

It can be divided in two parts, 13 and 43505, that multiplied together give a palindrome (565565).

The spelling of 1343505 in words is "one million, three hundred forty-three thousand, five hundred five".