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12671344 = 247234919
BaseRepresentation
bin110000010101…
…100101110000
3212211202211001
4300111211300
511220440334
61131331344
7212463460
oct60254560
925752731
1012671344
117175194
1242b0b54
13281874a
14197bba0
1511a4714
hexc15970

12671344 has 40 divisors (see below), whose sum is σ = 29283840. Its totient is φ = 5193408.

The previous prime is 12671339. The next prime is 12671377. The reversal of 12671344 is 44317621.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (732096).

Almost surely, 212671344 is an apocalyptic number.

12671344 is a gapful number since it is divisible by the number (14) 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 12671344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14641920).

12671344 is an abundant number, since it is smaller than the sum of its proper divisors (16612496).

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

12671344 is a wasteful number, since it uses less digits than its factorization.

12671344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957 (or 4951 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 12671344 is about 3559.6831319655. The cubic root of 12671344 is about 233.1350442380.

Adding to 12671344 its reverse (44317621), we get a palindrome (56988965).

The spelling of 12671344 in words is "twelve million, six hundred seventy-one thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 23 28 46 56 92 112 161 184 322 368 644 1288 2576 4919 9838 19676 34433 39352 68866 78704 113137 137732 226274 275464 452548 550928 791959 905096 1583918 1810192 3167836 6335672 12671344