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12352223 = 1319431163
BaseRepresentation
bin101111000111…
…101011011111
3212020120001202
4233013223133
511130232343
61120430115
7206664212
oct57075337
925216052
1012352223
116a77454
12417833b
132736410
1418d7779
15113edb8
hexbc7adf

12352223 has 16 divisors (see below), whose sum is σ = 14340480. Its totient is φ = 10541664.

The previous prime is 12352213. The next prime is 12352243. The reversal of 12352223 is 32225321.

It is a cyclic number.

It is not a de Polignac number, because 12352223 - 28 = 12351967 is a prime.

It is a Duffinian number.

12352223 is a modest number, since divided by 2223 gives 1235 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12352195 and 12352204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10040 + ... + 11202.

It is an arithmetic number, because the mean of its divisors is an integer number (896280).

Almost surely, 212352223 is an apocalyptic number.

12352223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12352223 is a deficient number, since it is larger than the sum of its proper divisors (1988257).

12352223 is a wasteful number, since it uses less digits than its factorization.

12352223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its digits is 720, while the sum is 20.

The square root of 12352223 is about 3514.5729470307. The cubic root of 12352223 is about 231.1612536990.

Adding to 12352223 its reverse (32225321), we get a palindrome (44577544).

The spelling of 12352223 in words is "twelve million, three hundred fifty-two thousand, two hundred twenty-three".

Divisors: 1 13 19 43 247 559 817 1163 10621 15119 22097 50009 287261 650117 950171 12352223