11881712 has 10 divisors (see below), whose sum is σ = 23020848. Its totient is φ = 5940848.

The previous prime is 11881697. The next prime is 11881721. The reversal of 11881712 is 21718811.

11881712 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 as a sum of consecutive naturals, namely, 371288 + ... + 371319.

Almost surely, 2^11881712 is an apocalyptic number.

It is an amenable number.

11881712 is a deficient number, since it is larger than the sum of its proper divisors (11139136).

11881712 is an equidigital number, since it uses as much as digits as its factorization.

11881712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742615 (or 742609 counting only the distinct ones).

The product of its digits is 896, while the sum is 29.

The square root of 11881712 is about 3446.9859297653. The cubic root of 11881712 is about 228.1881078172.

The spelling of 11881712 in words is "eleven million, eight hundred eighty-one thousand, seven hundred twelve".