11722679 has 8 divisors (see below), whose sum is σ = 12102048. Its totient is φ = 11347840.

The previous prime is 11722661. The next prime is 11722691. The reversal of 11722679 is 97622711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11722679 - 2⁸ = 11722423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4574 + ... + 6660.

It is an arithmetic number, because the mean of its divisors is an integer number (1512756).

Almost surely, 2^11722679 is an apocalyptic number.

11722679 is a deficient number, since it is larger than the sum of its proper divisors (379369).

11722679 is a wasteful number, since it uses less digits than its factorization.

11722679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its digits is 10584, while the sum is 35.

The square root of 11722679 is about 3423.8398034955. The cubic root of 11722679 is about 227.1654560385.

The spelling of 11722679 in words is "eleven million, seven hundred twenty-two thousand, six hundred seventy-nine".