11920964 has 12 divisors (see below), whose sum is σ = 22758288. Its totient is φ = 5418600.

The previous prime is 11920963. The next prime is 11920981. The reversal of 11920964 is 46902911.

11920964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11920964.

It is not an unprimeable number, because it can be changed into a prime (11920963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135422 + ... + 135509.

It is an arithmetic number, because the mean of its divisors is an integer number (1896524).

Almost surely, 2^11920964 is an apocalyptic number.

It is an amenable number.

11920964 is a deficient number, since it is larger than the sum of its proper divisors (10837324).

11920964 is a wasteful number, since it uses less digits than its factorization.

11920964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270946 (or 270944 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 11920964 is about 3452.6749050555. The cubic root of 11920964 is about 228.4391096511.

The spelling of 11920964 in words is "eleven million, nine hundred twenty thousand, nine hundred sixty-four".