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12822812 = 223205703
BaseRepresentation
bin110000111010…
…100100011100
3220010110120222
4300322210130
511240312222
61134500512
7213664202
oct60724434
926113528
1012822812
117268a72
124364738
13286c682
1419bb072
1511d4542
hexc3a91c

12822812 has 6 divisors (see below), whose sum is σ = 22439928. Its totient is φ = 6411404.

The previous prime is 12822787. The next prime is 12822827. The reversal of 12822812 is 21822821.

12822812 is nontrivially palindromic in base 13.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1602848 + ... + 1602855.

It is an arithmetic number, because the mean of its divisors is an integer number (3739988).

Almost surely, 212822812 is an apocalyptic number.

It is an amenable number.

12822812 is a deficient number, since it is larger than the sum of its proper divisors (9617116).

12822812 is a wasteful number, since it uses less digits than its factorization.

12822812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205707 (or 3205705 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 12822812 is about 3580.8954187465. The cubic root of 12822812 is about 234.0603005284.

Subtracting 12822812 from its reverse (21822821), we obtain a palindrome (9000009).

The spelling of 12822812 in words is "twelve million, eight hundred twenty-two thousand, eight hundred twelve".

Divisors: 1 2 4 3205703 6411406 12822812