11573977 has 2 divisors, whose sum is σ = 11573978. Its totient is φ = 11573976.

The previous prime is 11573963. The next prime is 11573993. The reversal of 11573977 is 77937511.

11573977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8462281 + 3111696 = 2909^2 + 1764^2 .

It is a cyclic number.

It is not a de Polignac number, because 11573977 - 2¹¹ = 11571929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11573077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786988 + 5786989.

It is an arithmetic number, because the mean of its divisors is an integer number (5786989).

Almost surely, 2^11573977 is an apocalyptic number.

It is an amenable number.

11573977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11573977 is an equidigital number, since it uses as much as digits as its factorization.

11573977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46305, while the sum is 40.

The square root of 11573977 is about 3402.0548202520. The cubic root of 11573977 is about 226.2008356488.

The spelling of 11573977 in words is "eleven million, five hundred seventy-three thousand, nine hundred seventy-seven".