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12876072 = 233111719151
BaseRepresentation
bin110001000111…
…100100101000
3220020011122120
4301013210220
511244013242
61135551240
7214305366
oct61074450
926204576
1012876072
1172a4a90
12438b520
13288a9a1
1419d2636
1511e51ec
hexc47928

12876072 has 128 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 3456000.

The previous prime is 12876047. The next prime is 12876079. The reversal of 12876072 is 27067821.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12876079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85197 + ... + 85347.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 212876072 is an apocalyptic number.

12876072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12876072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19699200).

12876072 is an abundant number, since it is smaller than the sum of its proper divisors (26522328).

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

12876072 is a wasteful number, since it uses less digits than its factorization.

12876072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 12876072 is about 3588.3244000508. The cubic root of 12876072 is about 234.3839121233.

The spelling of 12876072 in words is "twelve million, eight hundred seventy-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 17 19 22 24 33 34 38 44 51 57 66 68 76 88 102 114 132 136 151 152 187 204 209 228 264 302 323 374 408 418 453 456 561 604 627 646 748 836 906 969 1122 1208 1254 1292 1496 1661 1672 1812 1938 2244 2508 2567 2584 2869 3322 3553 3624 3876 4488 4983 5016 5134 5738 6644 7106 7701 7752 8607 9966 10268 10659 11476 13288 14212 15402 17214 19932 20536 21318 22952 28237 28424 30804 31559 34428 39864 42636 48773 56474 61608 63118 68856 84711 85272 94677 97546 112948 126236 146319 169422 189354 195092 225896 252472 292638 338844 378708 390184 536503 585276 677688 757416 1073006 1170552 1609509 2146012 3219018 4292024 6438036 12876072