11987536 has 20 divisors (see below), whose sum is σ = 25337664. Its totient is φ = 5448800.

The previous prime is 11987501. The next prime is 11987579. The reversal of 11987536 is 63578911.

11987536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33880 + ... + 34231.

Almost surely, 2^11987536 is an apocalyptic number.

11987536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11987536 is an abundant number, since it is smaller than the sum of its proper divisors (13350128).

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

11987536 is a wasteful number, since it uses less digits than its factorization.

11987536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68130 (or 68124 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 11987536 is about 3462.3021243098. The cubic root of 11987536 is about 228.8635559497.

It can be divided in two parts, 119875 and 36, that added together give a palindrome (119911).

The spelling of 11987536 in words is "eleven million, nine hundred eighty-seven thousand, five hundred thirty-six".