1272773 has 4 divisors (see below), whose sum is σ = 1347660. Its totient is φ = 1197888.

The previous prime is 1272749. The next prime is 1272811. The reversal of 1272773 is 3772721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 605284 = 817^2 + 778^2 .

It is not a de Polignac number, because 1272773 - 2¹⁰ = 1271749 is a prime.

It is a super-2 number, since 2×1272773² = 3239902219058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272673) 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, 37418 + ... + 37451.

It is an arithmetic number, because the mean of its divisors is an integer number (336915).

2^1272773 is an apocalyptic number.

It is an amenable number.

1272773 is a deficient number, since it is larger than the sum of its proper divisors (74887).

1272773 is an equidigital number, since it uses as much as digits as its factorization.

1272773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74886.

The product of its digits is 4116, while the sum is 29.

The square root of 1272773 is about 1128.1724159010. The cubic root of 1272773 is about 108.3719741185.

The spelling of 1272773 in words is "one million, two hundred seventy-two thousand, seven hundred seventy-three".