11806972 has 6 divisors (see below), whose sum is σ = 20662208. Its totient is φ = 5903484.

The previous prime is 11806967. The next prime is 11806997. The reversal of 11806972 is 27960811.

It is a happy number.

11806972 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, 1475868 + ... + 1475875.

Almost surely, 2^11806972 is an apocalyptic number.

It is an amenable number.

11806972 is a deficient number, since it is larger than the sum of its proper divisors (8855236).

11806972 is a wasteful number, since it uses less digits than its factorization.

11806972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951747 (or 2951745 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11806972 is about 3436.1274714422. The cubic root of 11806972 is about 227.7086408630.

The spelling of 11806972 in words is "eleven million, eight hundred six thousand, nine hundred seventy-two".