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12695984 = 247113357
BaseRepresentation
bin110000011011…
…100110110000
3212220000121122
4300123212300
511222232414
61132041412
7212625350
oct60334660
925800548
1012695984
117191754
124303268
132826a22
141986b60
1511abb8e
hexc1b9b0

12695984 has 20 divisors (see below), whose sum is σ = 28112784. Its totient is φ = 5441088.

The previous prime is 12695959. The next prime is 12695999. The reversal of 12695984 is 48959621.

It is a super-2 number, since 2×126959842 = 322376019456512, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56567 + ... + 56790.

Almost surely, 212695984 is an apocalyptic number.

12695984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12695984 is an abundant number, since it is smaller than the sum of its proper divisors (15416800).

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

12695984 is a wasteful number, since it uses less digits than its factorization.

12695984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113372 (or 113366 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 12695984 is about 3563.1424333024. The cubic root of 12695984 is about 233.2860602644.

The spelling of 12695984 in words is "twelve million, six hundred ninety-five thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 113357 226714 453428 793499 906856 1586998 1813712 3173996 6347992 12695984