12723150 has 72 divisors (see below), whose sum is σ = 34732152. Its totient is φ = 3080000.

The previous prime is 12723149. The next prime is 12723167. The reversal of 12723150 is 5132721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17800 + ... + 18500.

It is an arithmetic number, because the mean of its divisors is an integer number (482391).

Almost surely, 2^12723150 is an apocalyptic number.

12723150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12723150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17366076).

12723150 is an abundant number, since it is smaller than the sum of its proper divisors (22009002).

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

12723150 is a wasteful number, since it uses less digits than its factorization.

12723150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12723150 is about 3566.9524807600. The cubic root of 12723150 is about 233.4523315917.

Adding to 12723150 its reverse (5132721), we get a palindrome (17855871).

The spelling of 12723150 in words is "twelve million, seven hundred twenty-three thousand, one hundred fifty".