11544642 has 24 divisors (see below), whose sum is σ = 25076844. Its totient is φ = 3838464.

The previous prime is 11544641. The next prime is 11544653. The reversal of 11544642 is 24644511.

11544642 is a `hidden beast` number, since 1 + 15 + 4 + 4 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 194481 = 3369^2 + 441^2 .

It is not an unprimeable number, because it can be changed into a prime (11544641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11638 + ... + 12590.

Almost surely, 2^11544642 is an apocalyptic number.

11544642 is an abundant number, since it is smaller than the sum of its proper divisors (13532202).

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

11544642 is a wasteful number, since it uses less digits than its factorization.

11544642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1631 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 11544642 is about 3397.7407199491. The cubic root of 11544642 is about 226.0095670370.

The spelling of 11544642 in words is "eleven million, five hundred forty-four thousand, six hundred forty-two".