11987624 has 16 divisors (see below), whose sum is σ = 24520320. Its totient is φ = 5448880.

The previous prime is 11987611. The next prime is 11987627. The reversal of 11987624 is 42678911.

It is not an unprimeable number, because it can be changed into a prime (11987627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68024 + ... + 68199.

It is an arithmetic number, because the mean of its divisors is an integer number (1532520).

Almost surely, 2^11987624 is an apocalyptic number.

It is an amenable number.

11987624 is an abundant number, since it is smaller than the sum of its proper divisors (12532696).

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

11987624 is a wasteful number, since it uses less digits than its factorization.

11987624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136240 (or 136236 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 11987624 is about 3462.3148325939. The cubic root of 11987624 is about 228.8641159743.

The spelling of 11987624 in words is "eleven million, nine hundred eighty-seven thousand, six hundred twenty-four".