11724426 has 80 divisors (see below), whose sum is σ = 30782400. Its totient is φ = 3333960.

The previous prime is 11724413. The next prime is 11724431. The reversal of 11724426 is 62442711.

11724426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11724426.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55461 + ... + 55671.

It is an arithmetic number, because the mean of its divisors is an integer number (384780).

Almost surely, 2^11724426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11724426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15391200).

11724426 is an abundant number, since it is smaller than the sum of its proper divisors (19057974).

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

11724426 is an equidigital number, since it uses as much as digits as its factorization.

11724426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 223 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 11724426 is about 3424.0949169087. The cubic root of 11724426 is about 227.1767401013.

The spelling of 11724426 in words is "eleven million, seven hundred twenty-four thousand, four hundred twenty-six".