11662544 has 40 divisors (see below), whose sum is σ = 24406920. Its totient is φ = 5378048.

The previous prime is 11662543. The next prime is 11662549. The reversal of 11662544 is 44526611.

11662544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6822544 + 4840000 = 2612^2 + 2200^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14012 + ... + 14820.

It is an arithmetic number, because the mean of its divisors is an integer number (610173).

Almost surely, 2^11662544 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 11662544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12203460).

11662544 is an abundant number, since it is smaller than the sum of its proper divisors (12744376).

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

11662544 is a wasteful number, since it uses less digits than its factorization.

11662544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 881 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 11662544 is about 3415.0467053907. The cubic root of 11662544 is about 226.7763521427.

The spelling of 11662544 in words is "eleven million, six hundred sixty-two thousand, five hundred forty-four".