12822724 has 6 divisors (see below), whose sum is σ = 22439774. Its totient is φ = 6411360.

The previous prime is 12822713. The next prime is 12822731. The reversal of 12822724 is 42722821.

It can be written as a sum of positive squares in only one way, i.e., 8122500 + 4700224 = 2850^2 + 2168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12822692 and 12822701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602837 + ... + 1602844.

Almost surely, 2^12822724 is an apocalyptic number.

It is an amenable number.

12822724 is a deficient number, since it is larger than the sum of its proper divisors (9617050).

12822724 is a wasteful number, since it uses less digits than its factorization.

12822724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205685 (or 3205683 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 12822724 is about 3580.8831312960. The cubic root of 12822724 is about 234.0597650932.

The spelling of 12822724 in words is "twelve million, eight hundred twenty-two thousand, seven hundred twenty-four".