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12894453 = 32111343233
BaseRepresentation
bin110001001100…
…000011110101
3220021002212100
4301030003311
511300110303
61140212313
7214413105
oct61140365
926232770
1012894453
117307880
12439a099
132896170
1419d9205
1511ea8a3
hexc4c0f5

12894453 has 48 divisors (see below), whose sum is σ = 22486464. Its totient is φ = 7015680.

The previous prime is 12894443. The next prime is 12894457. The reversal of 12894453 is 35449821.

It is not a de Polignac number, because 12894453 - 28 = 12894197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12894457) 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 47 ways as a sum of consecutive naturals, for example, 55225 + ... + 55457.

It is an arithmetic number, because the mean of its divisors is an integer number (468468).

Almost surely, 212894453 is an apocalyptic number.

12894453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12894453 is a deficient number, since it is larger than the sum of its proper divisors (9592011).

12894453 is a wasteful number, since it uses less digits than its factorization.

12894453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 303 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12894453 is about 3590.8847099287. The cubic root of 12894453 is about 234.4953892435.

The spelling of 12894453 in words is "twelve million, eight hundred ninety-four thousand, four hundred fifty-three".

Divisors: 1 3 9 11 13 33 39 43 99 117 129 143 233 387 429 473 559 699 1287 1419 1677 2097 2563 3029 4257 5031 6149 7689 9087 10019 18447 23067 27261 30057 33319 55341 90171 99957 110209 130247 299871 330627 390741 991881 1172223 1432717 4298151 12894453