11426144 has 24 divisors (see below), whose sum is σ = 23680440. Its totient is φ = 5412096.

The previous prime is 11426141. The next prime is 11426153. The reversal of 11426144 is 44162411.

It is a happy number.

11426144 is nontrivially palindromic in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11426141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8789 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (986685).

Almost surely, 2^11426144 is an apocalyptic number.

It is an amenable number.

11426144 is an abundant number, since it is smaller than the sum of its proper divisors (12254296).

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

11426144 is a wasteful number, since it uses less digits than its factorization.

11426144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822 (or 18814 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 11426144 is about 3380.2579783206. The cubic root of 11426144 is about 225.2336272895.

Adding to 11426144 its reverse (44162411), we get a palindrome (55588555).

The spelling of 11426144 in words is "eleven million, four hundred twenty-six thousand, one hundred forty-four".