1315306 has 4 divisors (see below), whose sum is σ = 1972962. Its totient is φ = 657652.

The previous prime is 1315297. The next prime is 1315309. The reversal of 1315306 is 6035131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 116281 = 1095^2 + 341^2 .

It is not an unprimeable number, because it can be changed into a prime (1315309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328825 + ... + 328828.

2^1315306 is an apocalyptic number.

1315306 is a deficient number, since it is larger than the sum of its proper divisors (657656).

1315306 is an equidigital number, since it uses as much as digits as its factorization.

1315306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657655.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1315306 is about 1146.8679086974. The cubic root of 1315306 is about 109.5659479167.

The spelling of 1315306 in words is "one million, three hundred fifteen thousand, three hundred six".