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12916307 = 35713617
BaseRepresentation
bin110001010001…
…011001010011
3220022012211202
4301101121103
511301310212
61140501415
7214533605
oct61213123
926265752
1012916307
117322238
1243aa86b
1328a30b1
141a03175
1512020c2
hexc51653

12916307 has 4 divisors (see below), whose sum is σ = 12923496. Its totient is φ = 12909120.

The previous prime is 12916289. The next prime is 12916313. The reversal of 12916307 is 70361921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12916307 - 28 = 12916051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12916307.

It is not an unprimeable number, because it can be changed into a prime (12916507) 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 3 ways as a sum of consecutive naturals, for example, 1763 + ... + 5379.

It is an arithmetic number, because the mean of its divisors is an integer number (3230874).

Almost surely, 212916307 is an apocalyptic number.

12916307 is a deficient number, since it is larger than the sum of its proper divisors (7189).

12916307 is an equidigital number, since it uses as much as digits as its factorization.

12916307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12916307 is about 3593.9264043661. The cubic root of 12916307 is about 234.6277916495.

The spelling of 12916307 in words is "twelve million, nine hundred sixteen thousand, three hundred seven".

Divisors: 1 3571 3617 12916307