11977732 has 12 divisors (see below), whose sum is σ = 22573516. Its totient is φ = 5528160.

The previous prime is 11977727. The next prime is 11977739. The reversal of 11977732 is 23777911.

It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 4393216 = 2754^2 + 2096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11977691 and 11977700.

It is not an unprimeable number, because it can be changed into a prime (11977739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115119 + ... + 115222.

Almost surely, 2^11977732 is an apocalyptic number.

It is an amenable number.

11977732 is a deficient number, since it is larger than the sum of its proper divisors (10595784).

11977732 is a wasteful number, since it uses less digits than its factorization.

11977732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230358 (or 230356 counting only the distinct ones).

The product of its digits is 18522, while the sum is 37.

The square root of 11977732 is about 3460.8860137254. The cubic root of 11977732 is about 228.8011469534.

The spelling of 11977732 in words is "eleven million, nine hundred seventy-seven thousand, seven hundred thirty-two".