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12110969 = 131974729
BaseRepresentation
bin101110001100…
…110001111001
3211210022010102
4232030301321
511100022334
61111325145
7204640643
oct56146171
924708112
1012110969
116922172
1240807b5
132680670
141873893
1510e367e
hexb8cc79

12110969 has 8 divisors (see below), whose sum is σ = 13111560. Its totient is φ = 11120256.

The previous prime is 12110963. The next prime is 12110971. The reversal of 12110969 is 96901121.

12110969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 469225 + 11641744 = 685^2 + 3412^2 .

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

It is not a de Polignac number, because 12110969 - 28 = 12110713 is a prime.

It is a super-2 number, since 2×121109692 = 293351140237922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110963) 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, 197 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (1638945).

Almost surely, 212110969 is an apocalyptic number.

It is an amenable number.

12110969 is a deficient number, since it is larger than the sum of its proper divisors (1000591).

12110969 is a wasteful number, since it uses less digits than its factorization.

12110969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 12110969 is about 3480.0817519133. The cubic root of 12110969 is about 229.6463942575.

It can be divided in two parts, 12110 and 969, that multiplied together give a triangular number (11734590 = T4844).

The spelling of 12110969 in words is "twelve million, one hundred ten thousand, nine hundred sixty-nine".

Divisors: 1 13 197 2561 4729 61477 931613 12110969