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12224001 = 3107113337
BaseRepresentation
bin101110101000…
…011000000001
3212000001011210
4232220120001
511112132001
61114000333
7205621326
oct56503001
925001153
1012224001
11699a089
1241160a9
1326bcc4a
1418a2b4d
151116dd6
hexba8601

12224001 has 16 divisors (see below), whose sum is σ = 16645824. Its totient is φ = 7977984.

The previous prime is 12223987. The next prime is 12224021. The reversal of 12224001 is 10042221.

It is not a de Polignac number, because 12224001 - 214 = 12207617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12224021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36105 + ... + 36441.

It is an arithmetic number, because the mean of its divisors is an integer number (1040364).

Almost surely, 212224001 is an apocalyptic number.

It is an amenable number.

12224001 is a deficient number, since it is larger than the sum of its proper divisors (4421823).

12224001 is a wasteful number, since it uses less digits than its factorization.

12224001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12224001 is about 3496.2838843549. The cubic root of 12224001 is about 230.3586151013.

Adding to 12224001 its reverse (10042221), we get a palindrome (22266222).

The spelling of 12224001 in words is "twelve million, two hundred twenty-four thousand, one".

Divisors: 1 3 107 113 321 337 339 1011 12091 36059 36273 38081 108177 114243 4074667 12224001