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12166693 = 711158009
BaseRepresentation
bin101110011010…
…011000100101
3211220010120021
4232122120211
511103313233
61112435141
7205262260
oct56323045
924803507
1012166693
116960020
1240a8ab1
13269cb36
141889cd7
151104e2d
hexb9a625

12166693 has 8 divisors (see below), whose sum is σ = 15168960. Its totient is φ = 9480480.

The previous prime is 12166681. The next prime is 12166697. The reversal of 12166693 is 39666121.

12166693 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12166693 - 29 = 12166181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78928 + ... + 79081.

It is an arithmetic number, because the mean of its divisors is an integer number (1896120).

Almost surely, 212166693 is an apocalyptic number.

It is an amenable number.

12166693 is a deficient number, since it is larger than the sum of its proper divisors (3002267).

12166693 is a wasteful number, since it uses less digits than its factorization.

12166693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158027.

The product of its digits is 11664, while the sum is 34.

The square root of 12166693 is about 3488.0786975067. The cubic root of 12166693 is about 229.9980655162.

The spelling of 12166693 in words is "twelve million, one hundred sixty-six thousand, six hundred ninety-three".

Divisors: 1 7 11 77 158009 1106063 1738099 12166693