11712822 has 16 divisors (see below), whose sum is σ = 25555392. Its totient is φ = 3549320.

The previous prime is 11712817. The next prime is 11712853. The reversal of 11712822 is 22821711.

It is a junction number, because it is equal to n+sod(n) for n = 11712792 and 11712801.

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 in 7 ways as a sum of consecutive naturals, for example, 88668 + ... + 88799.

It is an arithmetic number, because the mean of its divisors is an integer number (1597212).

Almost surely, 2^11712822 is an apocalyptic number.

11712822 is an abundant number, since it is smaller than the sum of its proper divisors (13842570).

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

11712822 is a wasteful number, since it uses less digits than its factorization.

11712822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177483.

The product of its digits is 448, while the sum is 24.

The square root of 11712822 is about 3422.4000350631. The cubic root of 11712822 is about 227.1017675877.

Subtracting 11712822 from its reverse (22821711), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1171 and 2822, that added together give a palindrome (3993).

The spelling of 11712822 in words is "eleven million, seven hundred twelve thousand, eight hundred twenty-two".