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12722316 = 2233313203
BaseRepresentation
bin110000100010…
…000010001100
3212221100201220
4300202002030
511224103231
61132403340
7213065205
oct60420214
925840656
1012722316
1171aa512
124316550
1328359c9
1419925ac
1511b4896
hexc2208c

12722316 has 24 divisors (see below), whose sum is σ = 29784384. Its totient is φ = 4226640.

The previous prime is 12722293. The next prime is 12722317. The reversal of 12722316 is 61322721.

It is not an unprimeable number, because it can be changed into a prime (12722317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371 + ... + 5573.

It is an arithmetic number, because the mean of its divisors is an integer number (1241016).

Almost surely, 212722316 is an apocalyptic number.

It is an amenable number.

12722316 is an abundant number, since it is smaller than the sum of its proper divisors (17062068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12722316 is a wasteful number, since it uses less digits than its factorization.

12722316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3539 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 12722316 is about 3566.8355723246. The cubic root of 12722316 is about 233.4472305620.

The spelling of 12722316 in words is "twelve million, seven hundred twenty-two thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 331 662 993 1324 1986 3203 3972 6406 9609 12812 19218 38436 1060193 2120386 3180579 4240772 6361158 12722316