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12936918 = 2311319081
BaseRepresentation
bin110001010110…
…011011010110
3220100021010010
4301112123112
511302440133
61141141050
7214650651
oct61263326
926307103
1012936918
117336775
1243ba786
1328ac5a7
141a0a898
151208263
hexc566d6

12936918 has 16 divisors (see below), whose sum is σ = 26104176. Its totient is φ = 4273920.

The previous prime is 12936901. The next prime is 12936919. The reversal of 12936918 is 81963921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12936919) 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, 8863 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (1631511).

Almost surely, 212936918 is an apocalyptic number.

12936918 is an abundant number, since it is smaller than the sum of its proper divisors (13167258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12936918 is a wasteful number, since it uses less digits than its factorization.

12936918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19199.

The product of its digits is 23328, while the sum is 39.

The square root of 12936918 is about 3596.7927379820. The cubic root of 12936918 is about 234.7525265657.

The spelling of 12936918 in words is "twelve million, nine hundred thirty-six thousand, nine hundred eighteen".

Divisors: 1 2 3 6 113 226 339 678 19081 38162 57243 114486 2156153 4312306 6468459 12936918