1313105 has 4 divisors (see below), whose sum is σ = 1575732. Its totient is φ = 1050480.

The previous prime is 1313087. The next prime is 1313141. The reversal of 1313105 is 5013131.

1313105 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5013131 = 19 ⋅263849.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 1067089 = 496^2 + 1033^2 .

It is not a de Polignac number, because 1313105 - 2⁶ = 1313041 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 1313105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131306 + ... + 131315.

It is an arithmetic number, because the mean of its divisors is an integer number (393933).

2^1313105 is an apocalyptic number.

It is an amenable number.

1313105 is a deficient number, since it is larger than the sum of its proper divisors (262627).

1313105 is an equidigital number, since it uses as much as digits as its factorization.

1313105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262626.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 1313105 is about 1145.9079369653. The cubic root of 1313105 is about 109.5047988278.

Adding to 1313105 its reverse (5013131), we get a palindrome (6326236).

The spelling of 1313105 in words is "one million, three hundred thirteen thousand, one hundred five".