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12923386 = 2729139229
BaseRepresentation
bin110001010011…
…000111111010
3220022120112221
4301103013322
511302022021
61140554254
7214563340
oct61230772
926276487
1012923386
117327593
1243b298a
1328a6398
141a05990
151204241
hexc531fa

12923386 has 32 divisors (see below), whose sum is σ = 23184000. Its totient is φ = 5285952.

The previous prime is 12923381. The next prime is 12923387. The reversal of 12923386 is 68332921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12923381) 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 15 ways as a sum of consecutive naturals, for example, 56320 + ... + 56548.

It is an arithmetic number, because the mean of its divisors is an integer number (724500).

Almost surely, 212923386 is an apocalyptic number.

12923386 is a deficient number, since it is larger than the sum of its proper divisors (10260614).

12923386 is a wasteful number, since it uses less digits than its factorization.

12923386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 15552, while the sum is 34.

The square root of 12923386 is about 3594.9111254661. The cubic root of 12923386 is about 234.6706477279.

The spelling of 12923386 in words is "twelve million, nine hundred twenty-three thousand, three hundred eighty-six".

Divisors: 1 2 7 14 29 58 139 203 229 278 406 458 973 1603 1946 3206 4031 6641 8062 13282 28217 31831 46487 56434 63662 92974 222817 445634 923099 1846198 6461693 12923386