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12931627 = 47503547
BaseRepresentation
bin110001010101…
…001000101011
3220022222212011
4301111020223
511302303002
61141100351
7214626352
oct61251053
926288764
1012931627
1173327a5
1243b76b7
1328aa067
141a08999
1512068d7
hexc5522b

12931627 has 8 divisors (see below), whose sum is σ = 13257216. Its totient is φ = 12608232.

The previous prime is 12931621. The next prime is 12931631. The reversal of 12931627 is 72613921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12931627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12931621) 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 7 ways as a sum of consecutive naturals, for example, 23368 + ... + 23914.

It is an arithmetic number, because the mean of its divisors is an integer number (1657152).

Almost surely, 212931627 is an apocalyptic number.

12931627 is a deficient number, since it is larger than the sum of its proper divisors (325589).

12931627 is an equidigital number, since it uses as much as digits as its factorization.

12931627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its digits is 4536, while the sum is 31.

The square root of 12931627 is about 3596.0571463757. The cubic root of 12931627 is about 234.7205188138.

The spelling of 12931627 in words is "twelve million, nine hundred thirty-one thousand, six hundred twenty-seven".

Divisors: 1 47 503 547 23641 25709 275141 12931627