11722506 has 16 divisors (see below), whose sum is σ = 24679200. Its totient is φ = 3701808.

The previous prime is 11722499. The next prime is 11722511. The reversal of 11722506 is 60522711.

It is a zygodrome in base 5.

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 in 7 ways as a sum of consecutive naturals, for example, 51301 + ... + 51528.

It is an arithmetic number, because the mean of its divisors is an integer number (1542450).

Almost surely, 2^11722506 is an apocalyptic number.

11722506 is an abundant number, since it is smaller than the sum of its proper divisors (12956694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11722506 is a wasteful number, since it uses less digits than its factorization.

11722506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102853.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 11722506 is about 3423.8145393698. The cubic root of 11722506 is about 227.1643385517.

The spelling of 11722506 in words is "eleven million, seven hundred twenty-two thousand, five hundred six".