11822317 has 4 divisors (see below), whose sum is σ = 12731740. Its totient is φ = 10912896.

The previous prime is 11822287. The next prime is 11822329. The reversal of 11822317 is 71322811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71322811 = 7 ⋅10188973.

It can be written as a sum of positive squares in 2 ways, for example, as 6651241 + 5171076 = 2579^2 + 2274^2 .

It is a cyclic number.

It is not a de Polignac number, because 11822317 - 2⁷ = 11822189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11822291 and 11822300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11822347) 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 in 3 ways as a sum of consecutive naturals, for example, 454692 + ... + 454717.

It is an arithmetic number, because the mean of its divisors is an integer number (3182935).

Almost surely, 2^11822317 is an apocalyptic number.

It is an amenable number.

11822317 is a deficient number, since it is larger than the sum of its proper divisors (909423).

11822317 is an equidigital number, since it uses as much as digits as its factorization.

11822317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909422.

The product of its digits is 672, while the sum is 25.

The square root of 11822317 is about 3438.3596379669. The cubic root of 11822317 is about 227.8072457788.

The spelling of 11822317 in words is "eleven million, eight hundred twenty-two thousand, three hundred seventeen".