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12231214 = 229227929
BaseRepresentation
bin101110101010…
…001000101110
3212000102001221
4232222020232
511112344324
61114053554
7205651342
oct56521056
925012057
1012231214
1169a4546
12411a2ba
1326c3308
1418a5622
1511190e4
hexbaa22e

12231214 has 16 divisors (see below), whose sum is σ = 19083600. Its totient is φ = 5872384.

The previous prime is 12231203. The next prime is 12231227. The reversal of 12231214 is 41213221.

12231214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12702 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (1192725).

Almost surely, 212231214 is an apocalyptic number.

12231214 is a deficient number, since it is larger than the sum of its proper divisors (6852386).

12231214 is a wasteful number, since it uses less digits than its factorization.

12231214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

The product of its digits is 96, while the sum is 16.

The square root of 12231214 is about 3497.3152560214. The cubic root of 12231214 is about 230.4039153262.

Adding to 12231214 its reverse (41213221), we get a palindrome (53444435).

The spelling of 12231214 in words is "twelve million, two hundred thirty-one thousand, two hundred fourteen".

Divisors: 1 2 29 58 227 454 929 1858 6583 13166 26941 53882 210883 421766 6115607 12231214