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12772485 = 345114761
BaseRepresentation
bin110000101110…
…010010000101
3220000220120000
4300232102011
511232204420
61133431513
7213364365
oct60562205
926026500
1012772485
117234180
12433b599
1328527ab
1419a69a5
1511c4690
hexc2e485

12772485 has 80 divisors (see below), whose sum is σ = 25926912. Its totient is φ = 5961600.

The previous prime is 12772481. The next prime is 12772489. The reversal of 12772485 is 58427721.

It is an interprime number because it is at equal distance from previous prime (12772481) and next prime (12772489).

It is not a de Polignac number, because 12772485 - 22 = 12772481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772481) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 209355 + ... + 209415.

Almost surely, 212772485 is an apocalyptic number.

12772485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12772485 is an abundant number, since it is smaller than the sum of its proper divisors (13154427).

12772485 is a wasteful number, since it uses less digits than its factorization.

12772485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 127 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12772485 is about 3573.8613571318. The cubic root of 12772485 is about 233.7536855873.

The spelling of 12772485 in words is "twelve million, seven hundred seventy-two thousand, four hundred eighty-five".

Divisors: 1 3 5 9 11 15 27 33 45 47 55 61 81 99 135 141 165 183 235 297 305 405 423 495 517 549 671 705 891 915 1269 1485 1551 1647 2013 2115 2585 2745 2867 3355 3807 4455 4653 4941 6039 6345 7755 8235 8601 10065 13959 14335 18117 19035 23265 24705 25803 30195 31537 41877 43005 54351 69795 77409 90585 94611 129015 157685 209385 232227 271755 283833 387045 473055 851499 1161135 1419165 2554497 4257495 12772485