11776973 has 8 divisors (see below), whose sum is σ = 12796728. Its totient is φ = 10773504.

The previous prime is 11776967. The next prime is 11776997. The reversal of 11776973 is 37967711.

It can be written as a sum of positive squares in 4 ways, for example, as 94249 + 11682724 = 307^2 + 3418^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11776973 - 2⁴ = 11776957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11776973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11776873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (1599591).

Almost surely, 2^11776973 is an apocalyptic number.

11776973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11776973 is a deficient number, since it is larger than the sum of its proper divisors (1019755).

11776973 is a wasteful number, since it uses less digits than its factorization.

11776973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143.

The product of its digits is 55566, while the sum is 41.

The square root of 11776973 is about 3431.7594612676. The cubic root of 11776973 is about 227.5156242540.

The spelling of 11776973 in words is "eleven million, seven hundred seventy-six thousand, nine hundred seventy-three".