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12894975 = 3252223257
BaseRepresentation
bin110001001100…
…001011111111
3220021010120200
4301030023333
511300114400
61140214543
7214414452
oct61141377
926233520
1012894975
117308205
12439a453
132896482
1419d9499
1511eab00
hexc4c2ff

12894975 has 36 divisors (see below), whose sum is σ = 23290176. Its totient is φ = 6819840.

The previous prime is 12894971. The next prime is 12894991. The reversal of 12894975 is 57949821.

It is not a de Polignac number, because 12894975 - 22 = 12894971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12894975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12894971) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50047 + ... + 50303.

Almost surely, 212894975 is an apocalyptic number.

12894975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12894975 is a deficient number, since it is larger than the sum of its proper divisors (10395201).

12894975 is a wasteful number, since it uses less digits than its factorization.

12894975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 488 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 12894975 is about 3590.9573932309. The cubic root of 12894975 is about 234.4985535225.

The spelling of 12894975 in words is "twelve million, eight hundred ninety-four thousand, nine hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 223 225 257 669 771 1115 1285 2007 2313 3345 3855 5575 6425 10035 11565 16725 19275 50175 57311 57825 171933 286555 515799 859665 1432775 2578995 4298325 12894975