12311273 has 8 divisors (see below), whose sum is σ = 13288968. Its totient is φ = 11337984.

The previous prime is 12311267. The next prime is 12311311. The reversal of 12311273 is 37211321.

12311273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 110224 + 12201049 = 332^2 + 3493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12311273 - 2⁶ = 12311209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12317273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6911 + ... + 8507.

It is an arithmetic number, because the mean of its divisors is an integer number (1661121).

Almost surely, 2^12311273 is an apocalyptic number.

12311273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12311273 is a deficient number, since it is larger than the sum of its proper divisors (977695).

12311273 is a wasteful number, since it uses less digits than its factorization.

12311273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

The product of its digits is 252, while the sum is 20.

The square root of 12311273 is about 3508.7423672877. The cubic root of 12311273 is about 230.9055228549.

Adding to 12311273 its reverse (37211321), we get a palindrome (49522594).

The spelling of 12311273 in words is "twelve million, three hundred eleven thousand, two hundred seventy-three".