1273297 has 4 divisors (see below), whose sum is σ = 1275760. Its totient is φ = 1270836.

The previous prime is 1273291. The next prime is 1273301. The reversal of 1273297 is 7923721.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7923721 = 13 ⋅609517.

It is a cyclic number.

It is not a de Polignac number, because 1273297 - 2³ = 1273289 is a prime.

It is a Duffinian number.

1273297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1273291) 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, 123 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (318940).

2^1273297 is an apocalyptic number.

It is an amenable number.

1273297 is a deficient number, since it is larger than the sum of its proper divisors (2463).

1273297 is an equidigital number, since it uses as much as digits as its factorization.

1273297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its digits is 5292, while the sum is 31.

The square root of 1273297 is about 1128.4046260097. The cubic root of 1273297 is about 108.3868443070.

The spelling of 1273297 in words is "one million, two hundred seventy-three thousand, two hundred ninety-seven".