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12616872 = 2331314013
BaseRepresentation
bin110000001000…
…010010101000
3212202000002120
4300020102220
511212214442
61130231240
7212145612
oct60102250
925660076
1012616872
117138274
124285520
1327c9a08
141965db2
1511934ec
hexc084a8

12616872 has 32 divisors (see below), whose sum is σ = 31790880. Its totient is φ = 4172480.

The previous prime is 12616861. The next prime is 12616909. The reversal of 12616872 is 27861621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (993465).

Almost surely, 212616872 is an apocalyptic number.

12616872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12616872 is an abundant number, since it is smaller than the sum of its proper divisors (19174008).

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

12616872 is a wasteful number, since it uses less digits than its factorization.

12616872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153 (or 4149 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 12616872 is about 3552.0236485699. The cubic root of 12616872 is about 232.8004947971.

The spelling of 12616872 in words is "twelve million, six hundred sixteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 4013 8026 12039 16052 24078 32104 48156 96312 525703 1051406 1577109 2102812 3154218 4205624 6308436 12616872