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12116769 = 372139593
BaseRepresentation
bin101110001110…
…001100100001
3211210121002020
4232032030201
511100214034
61111412053
7204663600
oct56161441
924717066
1012116769
116926565
124084029
1326831b2
141875a37
1510e5249
hexb8e321

12116769 has 24 divisors (see below), whose sum is σ = 18960480. Its totient is φ = 6862464.

The previous prime is 12116743. The next prime is 12116773. The reversal of 12116769 is 96761121.

12116769 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12116769 - 27 = 12116641 is a prime.

It is a super-2 number, since 2×121167692 = 293632181998722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12116719) 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 23 ways as a sum of consecutive naturals, for example, 20137 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 212116769 is an apocalyptic number.

It is an amenable number.

12116769 is a deficient number, since it is larger than the sum of its proper divisors (6843711).

12116769 is a wasteful number, since it uses less digits than its factorization.

12116769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 742 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 12116769 is about 3480.9149659249. The cubic root of 12116769 is about 229.6830479863.

The spelling of 12116769 in words is "twelve million, one hundred sixteen thousand, seven hundred sixty-nine".

Divisors: 1 3 7 21 49 139 147 417 593 973 1779 2919 4151 6811 12453 20433 29057 82427 87171 247281 576989 1730967 4038923 12116769