12723392 has 84 divisors (see below), whose sum is σ = 29187648. Its totient is φ = 5491200.

The previous prime is 12723391. The next prime is 12723419. The reversal of 12723392 is 29332721.

It is not an unprimeable number, because it can be changed into a prime (12723391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240038 + ... + 240090.

It is an arithmetic number, because the mean of its divisors is an integer number (347472).

Almost surely, 2^12723392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12723392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14593824).

12723392 is an abundant number, since it is smaller than the sum of its proper divisors (16464256).

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

12723392 is a wasteful number, since it uses less digits than its factorization.

12723392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 97 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 12723392 is about 3566.9864031140. The cubic root of 12723392 is about 233.4538117049.

It can be divided in two parts, 1272 and 3392, that added together give a palindrome (4664).

The spelling of 12723392 in words is "twelve million, seven hundred twenty-three thousand, three hundred ninety-two".