11987696 has 20 divisors (see below), whose sum is σ = 26544432. Its totient is φ = 5137536.

The previous prime is 11987687. The next prime is 11987719. The reversal of 11987696 is 69678911.

It is a self number, because there is not a number n which added to its sum of digits gives 11987696.

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, 53405 + ... + 53628.

Almost surely, 2^11987696 is an apocalyptic number.

11987696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11987696 is an abundant number, since it is smaller than the sum of its proper divisors (14556736).

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

11987696 is a wasteful number, since it uses less digits than its factorization.

11987696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107048 (or 107042 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 11987696 is about 3462.3252302463. The cubic root of 11987696 is about 228.8645741741.

The spelling of 11987696 in words is "eleven million, nine hundred eighty-seven thousand, six hundred ninety-six".