12822730 has 32 divisors (see below), whose sum is σ = 24292224. Its totient is φ = 4863936.

The previous prime is 12822713. The next prime is 12822731. The reversal of 12822730 is 3722821.

It is a junction number, because it is equal to n+sod(n) for n = 12822695 and 12822704.

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 15 ways as a sum of consecutive naturals, for example, 45169 + ... + 45451.

It is an arithmetic number, because the mean of its divisors is an integer number (759132).

Almost surely, 2^12822730 is an apocalyptic number.

12822730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12822730 is a deficient number, since it is larger than the sum of its proper divisors (11469494).

12822730 is a wasteful number, since it uses less digits than its factorization.

12822730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12822730 is about 3580.8839690780. The cubic root of 12822730 is about 234.0598016003.

Subtracting from 12822730 its reverse (3722821), we obtain a palindrome (9099909).

The spelling of 12822730 in words is "twelve million, eight hundred twenty-two thousand, seven hundred thirty".