12711123 has 6 divisors (see below), whose sum is σ = 18360524. Its totient is φ = 8474076.

The previous prime is 12711109. The next prime is 12711131. The reversal of 12711123 is 32111721.

It is a happy number.

12711123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12711123 - 2¹⁴ = 12694739 is a prime.

It is a super-2 number, since 2×12711123² = 323145295842258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12711096 and 12711105.

It is not an unprimeable number, because it can be changed into a prime (12711143) 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 5 ways as a sum of consecutive naturals, for example, 706165 + ... + 706182.

Almost surely, 2^12711123 is an apocalyptic number.

12711123 is a deficient number, since it is larger than the sum of its proper divisors (5649401).

12711123 is a wasteful number, since it uses less digits than its factorization.

12711123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412353 (or 1412350 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 12711123 is about 3565.2661892207. The cubic root of 12711123 is about 233.3787487563.

Adding to 12711123 its reverse (32111721), we get a palindrome (44822844).

The spelling of 12711123 in words is "twelve million, seven hundred eleven thousand, one hundred twenty-three".