1315273 has 4 divisors (see below), whose sum is σ = 1392660. Its totient is φ = 1237888.

The previous prime is 1315253. The next prime is 1315283. The reversal of 1315273 is 3725131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3725131 = 1109 ⋅3359.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 915849 = 632^2 + 957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315273 - 2¹³ = 1307081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38668 + ... + 38701.

It is an arithmetic number, because the mean of its divisors is an integer number (348165).

2^1315273 is an apocalyptic number.

It is an amenable number.

1315273 is a deficient number, since it is larger than the sum of its proper divisors (77387).

1315273 is an equidigital number, since it uses as much as digits as its factorization.

1315273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77386.

The product of its digits is 630, while the sum is 22.

The square root of 1315273 is about 1146.8535215972. The cubic root of 1315273 is about 109.5650316010.

It can be divided in two parts, 13152 and 73, that added together give a square (13225 = 115²).

The spelling of 1315273 in words is "one million, three hundred fifteen thousand, two hundred seventy-three".