12723116 has 24 divisors (see below), whose sum is σ = 26136096. Its totient is φ = 5304960.

The previous prime is 12723107. The next prime is 12723119. The reversal of 12723116 is 61132721.

It is a junction number, because it is equal to n+sod(n) for n = 12723091 and 12723100.

It is not an unprimeable number, because it can be changed into a prime (12723119) 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, 5105 + ... + 7176.

It is an arithmetic number, because the mean of its divisors is an integer number (1089004).

Almost surely, 2^12723116 is an apocalyptic number.

It is an amenable number.

12723116 is an abundant number, since it is smaller than the sum of its proper divisors (13412980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12723116 is a wasteful number, since it uses less digits than its factorization.

12723116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329 (or 12327 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 12723116 is about 3566.9477147836. The cubic root of 12723116 is about 233.4521236404.

Adding to 12723116 its reverse (61132721), we get a palindrome (73855837).

The spelling of 12723116 in words is "twelve million, seven hundred twenty-three thousand, one hundred sixteen".