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12254 = 211557
BaseRepresentation
bin10111111011110
3121210212
42333132
5343004
6132422
750504
oct27736
917725
1012254
119230
127112
135768
144674
15396e
hex2fde

12254 has 8 divisors (see below), whose sum is σ = 20088. Its totient is φ = 5560.

The previous prime is 12253. The next prime is 12263. The reversal of 12254 is 45221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 300.

It is an arithmetic number, because the mean of its divisors is an integer number (2511).

212254 is an apocalyptic number.

12254 is a deficient number, since it is larger than the sum of its proper divisors (7834).

12254 is a wasteful number, since it uses less digits than its factorization.

12254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its digits is 80, while the sum is 14.

The square root of 12254 is about 110.6977867891. The cubic root of 12254 is about 23.0546902682.

Adding to 12254 its reverse (45221), we get a palindrome (57475).

It can be divided in two parts, 1225 and 4, that multiplied together give a square (4900 = 702).

The spelling of 12254 in words is "twelve thousand, two hundred fifty-four".

Divisors: 1 2 11 22 557 1114 6127 12254