11776642 has 4 divisors (see below), whose sum is σ = 17664966. Its totient is φ = 5888320.

The previous prime is 11776627. The next prime is 11776643. The reversal of 11776642 is 24667711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9308601 + 2468041 = 3051^2 + 1571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11776598 and 11776607.

It is not an unprimeable number, because it can be changed into a prime (11776643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2944159 + ... + 2944162.

Almost surely, 2^11776642 is an apocalyptic number.

11776642 is a deficient number, since it is larger than the sum of its proper divisors (5888324).

11776642 is an equidigital number, since it uses as much as digits as its factorization.

11776642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888323.

The product of its digits is 14112, while the sum is 34.

The square root of 11776642 is about 3431.7112349380. The cubic root of 11776642 is about 227.5134927392.

The spelling of 11776642 in words is "eleven million, seven hundred seventy-six thousand, six hundred forty-two".