11544487 has 4 divisors (see below), whose sum is σ = 11596480. Its totient is φ = 11492496.

The previous prime is 11544461. The next prime is 11544497. The reversal of 11544487 is 78444511.

It is a happy number.

11544487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11544487 - 2⁷ = 11544359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25662 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (2899120).

Almost surely, 2^11544487 is an apocalyptic number.

11544487 is a deficient number, since it is larger than the sum of its proper divisors (51993).

11544487 is an equidigital number, since it uses as much as digits as its factorization.

11544487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51992.

The product of its digits is 17920, while the sum is 34.

The square root of 11544487 is about 3397.7179105982. The cubic root of 11544487 is about 226.0085555536.

Adding to 11544487 its reverse (78444511), we get a palindrome (89988998).

The spelling of 11544487 in words is "eleven million, five hundred forty-four thousand, four hundred eighty-seven".