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12976 = 24811
BaseRepresentation
bin11001010110000
3122210121
43022300
5403401
6140024
752555
oct31260
918717
1012976
119827
127614
135ba2
144a2c
153ca1
hex32b0

12976 has 10 divisors (see below), whose sum is σ = 25172. Its totient is φ = 6480.

The previous prime is 12973. The next prime is 12979. The reversal of 12976 is 67921.

It is an interprime number because it is at equal distance from previous prime (12973) and next prime (12979).

It is a self number, because there is not a number n which added to its sum of digits gives 12976.

It is not an unprimeable number, because it can be changed into a prime (12973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390 + ... + 421.

212976 is an apocalyptic number.

12976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12976 is a deficient number, since it is larger than the sum of its proper divisors (12196).

12976 is an equidigital number, since it uses as much as digits as its factorization.

12976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 813 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 12976 is about 113.9122469272. The cubic root of 12976 is about 23.4988682117.

Subtracting 12976 from its reverse (67921), we obtain a palindrome (54945).

The spelling of 12976 in words is "twelve thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 16 811 1622 3244 6488 12976