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12297 = 34099
BaseRepresentation
bin11000000001001
3121212110
43000021
5343142
6132533
750565
oct30011
917773
1012297
11926a
127149
13579c
1446a5
15399c
hex3009

12297 has 4 divisors (see below), whose sum is σ = 16400. Its totient is φ = 8196.

The previous prime is 12289. The next prime is 12301. The reversal of 12297 is 79221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79221 = 326407.

It is not a de Polignac number, because 12297 - 23 = 12289 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13 and base 15.

It is not an unprimeable number, because it can be changed into a prime (12227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (4100).

212297 is an apocalyptic number.

It is an amenable number.

12297 is a deficient number, since it is larger than the sum of its proper divisors (4103).

12297 is an equidigital number, since it uses as much as digits as its factorization.

12297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102.

The product of its digits is 252, while the sum is 21.

The square root of 12297 is about 110.8918391948. The cubic root of 12297 is about 23.0816255374.

The spelling of 12297 in words is "twelve thousand, two hundred ninety-seven".

Divisors: 1 3 4099 12297