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12934147 = 41315467
BaseRepresentation
bin110001010101…
…110000000011
3220100010022111
4301111300003
511302343042
61141120151
7214636612
oct61256003
926303274
1012934147
117334686
1243b9057
1328ab255
141a09879
151207517
hexc55c03

12934147 has 4 divisors (see below), whose sum is σ = 13249656. Its totient is φ = 12618640.

The previous prime is 12934123. The next prime is 12934153. The reversal of 12934147 is 74143921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12934147 - 215 = 12901379 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12934247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157693 + ... + 157774.

It is an arithmetic number, because the mean of its divisors is an integer number (3312414).

Almost surely, 212934147 is an apocalyptic number.

12934147 is a deficient number, since it is larger than the sum of its proper divisors (315509).

12934147 is an equidigital number, since it uses as much as digits as its factorization.

12934147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315508.

The product of its digits is 6048, while the sum is 31.

The square root of 12934147 is about 3596.4075130608. The cubic root of 12934147 is about 234.7357645698.

The spelling of 12934147 in words is "twelve million, nine hundred thirty-four thousand, one hundred forty-seven".

Divisors: 1 41 315467 12934147