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12716832 = 253139953
BaseRepresentation
bin110000100000…
…101100100000
3212221002012210
4300200230200
511223414312
61132322120
7213043212
oct60405440
925832183
1012716832
1171a6387
124313340
13283336b
1419905b2
1511b2e3c
hexc20b20

12716832 has 48 divisors (see below), whose sum is σ = 33657120. Its totient is φ = 4204032.

The previous prime is 12716831. The next prime is 12716849. The reversal of 12716832 is 23861721.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×127168322 = 323435632232448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12716832.

It is not an unprimeable number, because it can be changed into a prime (12716831) 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, 12868 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (701190).

Almost surely, 212716832 is an apocalyptic number.

12716832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12716832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16828560).

12716832 is an abundant number, since it is smaller than the sum of its proper divisors (20940288).

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

12716832 is a wasteful number, since it uses less digits than its factorization.

12716832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1097 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 12716832 is about 3566.0667408224. The cubic root of 12716832 is about 233.4136829856.

The spelling of 12716832 in words is "twelve million, seven hundred sixteen thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 139 278 417 556 834 953 1112 1668 1906 2224 2859 3336 3812 4448 5718 6672 7624 11436 13344 15248 22872 30496 45744 91488 132467 264934 397401 529868 794802 1059736 1589604 2119472 3179208 4238944 6358416 12716832