12342726 has 48 divisors (see below), whose sum is σ = 30164400. Its totient is φ = 3738240.

The previous prime is 12342721. The next prime is 12342727. The reversal of 12342726 is 62724321.

It is a super-2 number, since 2×12342726² = 304685770222152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12342726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342721) 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 23 ways as a sum of consecutive naturals, for example, 5590 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (628425).

Almost surely, 2^12342726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12342726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082200).

12342726 is an abundant number, since it is smaller than the sum of its proper divisors (17821674).

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

12342726 is a wasteful number, since it uses less digits than its factorization.

12342726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1905 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12342726 is about 3513.2215984762. The cubic root of 12342726 is about 231.1019957745.

It can be divided in two parts, 123 and 42726, that added together give a square (42849 = 207²).

The spelling of 12342726 in words is "twelve million, three hundred forty-two thousand, seven hundred twenty-six".