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12982304 = 252331569
BaseRepresentation
bin110001100001…
…100000100000
3220102120101002
4301201200200
511310413204
61142131132
7215230166
oct61414040
926376332
1012982304
117367885
124420aa8
1328c714a
141a1d236
15121691e
hexc61820

12982304 has 48 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 5998080.

The previous prime is 12982303. The next prime is 12982309. The reversal of 12982304 is 40328921.

It is not an unprimeable number, because it can be changed into a prime (12982303) 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, 22532 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 212982304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12982304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13789440).

12982304 is an abundant number, since it is smaller than the sum of its proper divisors (14596576).

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

12982304 is a wasteful number, since it uses less digits than its factorization.

12982304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12982304 is about 3603.0964461141. The cubic root of 12982304 is about 235.0267300212.

The spelling of 12982304 in words is "twelve million, nine hundred eighty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 23 31 32 46 62 92 124 184 248 368 496 569 713 736 992 1138 1426 2276 2852 4552 5704 9104 11408 13087 17639 18208 22816 26174 35278 52348 70556 104696 141112 209392 282224 405697 418784 564448 811394 1622788 3245576 6491152 12982304