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12947376 = 2431320749
BaseRepresentation
bin110001011000…
…111110110000
3220100210110110
4301120332300
511303304001
61141301320
7215023311
oct61307660
926323413
1012947376
117343612
124404840
1328b4290
141a10608
15120b3d6
hexc58fb0

12947376 has 40 divisors (see below), whose sum is σ = 36022000. Its totient is φ = 3983616.

The previous prime is 12947351. The next prime is 12947381. The reversal of 12947376 is 67374921.

12947376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 9751 + ... + 10998.

It is an arithmetic number, because the mean of its divisors is an integer number (900550).

Almost surely, 212947376 is an apocalyptic number.

12947376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12947376 is an abundant number, since it is smaller than the sum of its proper divisors (23074624).

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

12947376 is a wasteful number, since it uses less digits than its factorization.

12947376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773 (or 20767 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 12947376 is about 3598.2462394895. The cubic root of 12947376 is about 234.8157662719.

The spelling of 12947376 in words is "twelve million, nine hundred forty-seven thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 20749 41498 62247 82996 124494 165992 248988 269737 331984 497976 539474 809211 995952 1078948 1618422 2157896 3236844 4315792 6473688 12947376