11811662 has 4 divisors (see below), whose sum is σ = 17717496. Its totient is φ = 5905830.

The previous prime is 11811659. The next prime is 11811697. The reversal of 11811662 is 26611811.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2952914 + ... + 2952917.

It is an arithmetic number, because the mean of its divisors is an integer number (4429374).

Almost surely, 2^11811662 is an apocalyptic number.

11811662 is a deficient number, since it is larger than the sum of its proper divisors (5905834).

11811662 is an equidigital number, since it uses as much as digits as its factorization.

11811662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905833.

The product of its digits is 576, while the sum is 26.

The square root of 11811662 is about 3436.8098579933. The cubic root of 11811662 is about 227.7387872362.

The spelling of 11811662 in words is "eleven million, eight hundred eleven thousand, six hundred sixty-two".