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12927238 = 210396221
BaseRepresentation
bin110001010100…
…000100000110
3220022202211121
4301110010012
511302132423
61141024154
7214610512
oct61240406
926282747
1012927238
11732a475
1243b505a
1328a806c
141a07142
15120545d
hexc54106

12927238 has 8 divisors (see below), whose sum is σ = 19412640. Its totient is φ = 6456360.

The previous prime is 12927227. The next prime is 12927241. The reversal of 12927238 is 83272921.

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

It is a super-2 number, since 2×129272382 = 334226964617288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (2426580).

Almost surely, 212927238 is an apocalyptic number.

12927238 is a deficient number, since it is larger than the sum of its proper divisors (6485402).

12927238 is a wasteful number, since it uses less digits than its factorization.

12927238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262.

The product of its digits is 12096, while the sum is 34.

The square root of 12927238 is about 3595.4468428834. The cubic root of 12927238 is about 234.6939610592.

The spelling of 12927238 in words is "twelve million, nine hundred twenty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 1039 2078 6221 12442 6463619 12927238