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12933971 = 29653683
BaseRepresentation
bin110001010101…
…101101010011
3220100010001222
4301111231103
511302341341
61141115255
7214636241
oct61255523
926303058
1012933971
117334536
1243b8b2b
1328ab14b
141a09791
15120744b
hexc55b53

12933971 has 8 divisors (see below), whose sum is σ = 13420080. Its totient is φ = 12450592.

The previous prime is 12933967. The next prime is 12933989. The reversal of 12933971 is 17933921.

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

It is a cyclic number.

It is not a de Polignac number, because 12933971 - 22 = 12933967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12933931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18596 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (1677510).

Almost surely, 212933971 is an apocalyptic number.

12933971 is a deficient number, since it is larger than the sum of its proper divisors (486109).

12933971 is an equidigital number, since it uses as much as digits as its factorization.

12933971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its digits is 10206, while the sum is 35.

The square root of 12933971 is about 3596.3830441153. The cubic root of 12933971 is about 234.7346998511.

The spelling of 12933971 in words is "twelve million, nine hundred thirty-three thousand, nine hundred seventy-one".

Divisors: 1 29 653 683 18937 19807 445999 12933971