12822737 has 4 divisors (see below), whose sum is σ = 12831156. Its totient is φ = 12814320.

The previous prime is 12822731. The next prime is 12822763. The reversal of 12822737 is 73722821.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73722821 = 4987 ⋅14783.

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 11262736 = 1249^2 + 3356^2 .

It is a cyclic number.

It is not a de Polignac number, because 12822737 - 2¹⁶ = 12757201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12822731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (3207789).

Almost surely, 2^12822737 is an apocalyptic number.

It is an amenable number.

12822737 is a deficient number, since it is larger than the sum of its proper divisors (8419).

12822737 is an equidigital number, since it uses as much as digits as its factorization.

12822737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418.

The product of its digits is 9408, while the sum is 32.

The square root of 12822737 is about 3580.8849464902. The cubic root of 12822737 is about 234.0598441918.

The spelling of 12822737 in words is "twelve million, eight hundred twenty-two thousand, seven hundred thirty-seven".