11980906 has 32 divisors (see below), whose sum is σ = 21951360. Its totient is φ = 4790016.

The previous prime is 11980901. The next prime is 11980919. The reversal of 11980906 is 60908911.

11980906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11980901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19110 + ... + 19726.

It is an arithmetic number, because the mean of its divisors is an integer number (685980).

Almost surely, 2^11980906 is an apocalyptic number.

11980906 is a deficient number, since it is larger than the sum of its proper divisors (9970454).

11980906 is a wasteful number, since it uses less digits than its factorization.

11980906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 11980906 is about 3461.3445364482. The cubic root of 11980906 is about 228.8213553062.

The spelling of 11980906 in words is "eleven million, nine hundred eighty thousand, nine hundred six".