11722006 has 4 divisors (see below), whose sum is σ = 17583012. Its totient is φ = 5861002.

The previous prime is 11722001. The next prime is 11722013. The reversal of 11722006 is 60022711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722001) by changing a digit.

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, 2930500 + ... + 2930503.

It is an arithmetic number, because the mean of its divisors is an integer number (4395753).

Almost surely, 2^11722006 is an apocalyptic number.

11722006 is a deficient number, since it is larger than the sum of its proper divisors (5861006).

11722006 is an equidigital number, since it uses as much as digits as its factorization.

11722006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861005.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11722006 is about 3423.7415206175. The cubic root of 11722006 is about 227.1611087592.

Adding to 11722006 its reverse (60022711), we get a palindrome (71744717).

The spelling of 11722006 in words is "eleven million, seven hundred twenty-two thousand, six".