11516487 has 16 divisors (see below), whose sum is σ = 15654912. Its totient is φ = 7529760.

The previous prime is 11516473. The next prime is 11516513. The reversal of 11516487 is 78461511.

It is a happy number.

It is not a de Polignac number, because 11516487 - 2⁸ = 11516231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63537 + ... + 63717.

It is an arithmetic number, because the mean of its divisors is an integer number (978432).

Almost surely, 2^11516487 is an apocalyptic number.

11516487 is a deficient number, since it is larger than the sum of its proper divisors (4138425).

11516487 is a wasteful number, since it uses less digits than its factorization.

11516487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its digits is 6720, while the sum is 33.

The square root of 11516487 is about 3393.5949964602. The cubic root of 11516487 is about 225.8256872393.

Adding to 11516487 its reverse (78461511), we get a palindrome (89977998).

The spelling of 11516487 in words is "eleven million, five hundred sixteen thousand, four hundred eighty-seven".