11980956 has 24 divisors (see below), whose sum is σ = 30106384. Its totient is φ = 3686400.

The previous prime is 11980939. The next prime is 11980981. The reversal of 11980956 is 65908911.

11980956 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38245 + ... + 38556.

Almost surely, 2^11980956 is an apocalyptic number.

It is an amenable number.

11980956 is an abundant number, since it is smaller than the sum of its proper divisors (18125428).

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

11980956 is a wasteful number, since it uses less digits than its factorization.

11980956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76821 (or 76819 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 11980956 is about 3461.3517590675. The cubic root of 11980956 is about 228.8216736197.

The spelling of 11980956 in words is "eleven million, nine hundred eighty thousand, nine hundred fifty-six".