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12338378 = 213796007
BaseRepresentation
bin101111000100…
…010011001010
3212012212001222
4233010103022
511124312003
61120242042
7206605643
oct57042312
925185058
1012338378
116a68008
124170322
132730020
1418d26ca
15113ac38
hexbc44ca

12338378 has 16 divisors (see below), whose sum is σ = 20186880. Its totient is φ = 5621616.

The previous prime is 12338371. The next prime is 12338383. The reversal of 12338378 is 87383321.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12338371) 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 7 ways as a sum of consecutive naturals, for example, 950 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (1261680).

Almost surely, 212338378 is an apocalyptic number.

12338378 is a deficient number, since it is larger than the sum of its proper divisors (7848502).

12338378 is a wasteful number, since it uses less digits than its factorization.

12338378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101.

The product of its digits is 24192, while the sum is 35.

The square root of 12338378 is about 3512.6027387110. The cubic root of 12338378 is about 231.0748556464.

The spelling of 12338378 in words is "twelve million, three hundred thirty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 13 26 79 158 1027 2054 6007 12014 78091 156182 474553 949106 6169189 12338378