11963688 has 32 divisors (see below), whose sum is σ = 32628960. Its totient is φ = 3625280.

The previous prime is 11963687. The next prime is 11963701. The reversal of 11963688 is 88636911.

It is a super-2 number, since 2×11963688² = 286259661122688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11963683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22395 + ... + 22922.

It is an arithmetic number, because the mean of its divisors is an integer number (1019655).

Almost surely, 2^11963688 is an apocalyptic number.

It is an amenable number.

11963688 is an abundant number, since it is smaller than the sum of its proper divisors (20665272).

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

11963688 is a wasteful number, since it uses less digits than its factorization.

11963688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45337 (or 45333 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 11963688 is about 3458.8564584267. The cubic root of 11963688 is about 228.7116881700.

It can be divided in two parts, 1196 and 3688, that added together give a palindrome (4884).

The spelling of 11963688 in words is "eleven million, nine hundred sixty-three thousand, six hundred eighty-eight".