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12273 = 34091

12273 has 4 divisors (see below), whose sum is σ = 16368. Its totient is φ = 8180.

The previous prime is 12269. The next prime is 12277. The reversal of 12273 is 37221.

Adding to 12273 its reverse (37221), we get a palindrome (49494).

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.

It is an interprime number because it is at equal distance from previous prime (12269) and next prime (12277).

It is a cyclic number.

It is not a de Polignac number, because 12273 - 22 = 12269 is a prime.

It is a D-number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (12277) 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, 2043 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (4092).

212273 is an apocalyptic number.

It is an amenable number.

12273 is a deficient number, since it is larger than the sum of its proper divisors (4095).

12273 is an equidigital number, since it uses as much as digits as its factorization.

12273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094.

The product of its digits is 84, while the sum is 15.

The square root of 12273 is about 110.7835727895. The cubic root of 12273 is about 23.0665996560.

The spelling of 12273 in words is "twelve thousand, two hundred seventy-three", and thus it is an iban number.

Divisors: 1 3 4091 12273