1313315 has 16 divisors (see below), whose sum is σ = 1678080. Its totient is φ = 984960.

The previous prime is 1313311. The next prime is 1313317. The reversal of 1313315 is 5133131.

It is a Cunningham number, because it is equal to 1146²-1.

It is not a de Polignac number, because 1313315 - 2² = 1313311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313293 and 1313302.

It is not an unprimeable number, because it can be changed into a prime (1313311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5621 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (104880).

2^1313315 is an apocalyptic number.

1313315 is a deficient number, since it is larger than the sum of its proper divisors (364765).

1313315 is a wasteful number, since it uses less digits than its factorization.

1313315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its digits is 135, while the sum is 17.

The square root of 1313315 is about 1145.9995636997. Note that the first 3 decimals coincide. The cubic root of 1313315 is about 109.5106360817.

Adding to 1313315 its reverse (5133131), we get a palindrome (6446446).

It can be divided in two parts, 1313 and 315, that multiplied together give a triangular number (413595 = T₉₀₉).

The spelling of 1313315 in words is "one million, three hundred thirteen thousand, three hundred fifteen".