1273315 has 4 divisors (see below), whose sum is σ = 1527984. Its totient is φ = 1018648.

The previous prime is 1273313. The next prime is 1273331. The reversal of 1273315 is 5133721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5133721 = 127 ⋅40423.

It is a cyclic number.

It is not a de Polignac number, because 1273315 - 2¹ = 1273313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1273313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127327 + ... + 127336.

It is an arithmetic number, because the mean of its divisors is an integer number (381996).

2^1273315 is an apocalyptic number.

1273315 is a deficient number, since it is larger than the sum of its proper divisors (254669).

1273315 is an equidigital number, since it uses as much as digits as its factorization.

1273315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254668.

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

The square root of 1273315 is about 1128.4126018438. The cubic root of 1273315 is about 108.3873550425.

The spelling of 1273315 in words is "one million, two hundred seventy-three thousand, three hundred fifteen".