11947968 has 42 divisors (see below), whose sum is σ = 34248344. Its totient is φ = 3982464.

The previous prime is 11947961. The next prime is 11947973. The reversal of 11947968 is 86974911.

It is a happy number.

11947968 is a `hidden beast` number, since 119 + 479 + 68 = 666.

11947968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11947961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9796 + ... + 10947.

Almost surely, 2^11947968 is an apocalyptic number.

11947968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11947968 is an abundant number, since it is smaller than the sum of its proper divisors (22300376).

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

11947968 is a wasteful number, since it uses less digits than its factorization.

11947968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20761 (or 20748 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11947968 is about 3456.5832841116. The cubic root of 11947968 is about 228.6114703659.

The spelling of 11947968 in words is "eleven million, nine hundred forty-seven thousand, nine hundred sixty-eight".