1315329 has 4 divisors (see below), whose sum is σ = 1753776. Its totient is φ = 876884.

The previous prime is 1315309. The next prime is 1315367. The reversal of 1315329 is 9235131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1315329 - 2⁵ = 1315297 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1315299 and 1315308.

It is not an unprimeable number, because it can be changed into a prime (1315309) 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 3 ways as a sum of consecutive naturals, for example, 219219 + ... + 219224.

It is an arithmetic number, because the mean of its divisors is an integer number (438444).

2^1315329 is an apocalyptic number.

It is an amenable number.

1315329 is a deficient number, since it is larger than the sum of its proper divisors (438447).

1315329 is an equidigital number, since it uses as much as digits as its factorization.

1315329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438446.

The product of its digits is 810, while the sum is 24.

The square root of 1315329 is about 1146.8779359635. The cubic root of 1315329 is about 109.5665865519.

It can be divided in two parts, 131 and 5329, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 1315329 in words is "one million, three hundred fifteen thousand, three hundred twenty-nine".