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12936938 = 274719661
BaseRepresentation
bin110001010110…
…011011101010
3220100021010212
4301112123222
511302440223
61141141122
7214651010
oct61263352
926307125
1012936938
117336793
1243ba7a2
1328ac5c1
141a0a8b0
151208278
hexc566ea

12936938 has 16 divisors (see below), whose sum is σ = 22650624. Its totient is φ = 5426160.

The previous prime is 12936919. The next prime is 12936943. The reversal of 12936938 is 83963921.

It is a junction number, because it is equal to n+sod(n) for n = 12936895 and 12936904.

It is an unprimeable number.

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, 9173 + ... + 10488.

It is an arithmetic number, because the mean of its divisors is an integer number (1415664).

Almost surely, 212936938 is an apocalyptic number.

12936938 is a deficient number, since it is larger than the sum of its proper divisors (9713686).

12936938 is a wasteful number, since it uses less digits than its factorization.

12936938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19717.

The product of its digits is 69984, while the sum is 41.

The square root of 12936938 is about 3596.7955182356. The cubic root of 12936938 is about 234.7526475386.

The spelling of 12936938 in words is "twelve million, nine hundred thirty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 47 94 329 658 19661 39322 137627 275254 924067 1848134 6468469 12936938