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12657948 = 2233972657
BaseRepresentation
bin110000010010…
…010100011100
3212211002102220
4300102110130
511220023243
61131145340
7212406432
oct60222434
925732386
1012657948
117166116
1242a5250
132812614
141976d52
1511a0783
hexc1251c

12657948 has 24 divisors (see below), whose sum is σ = 29620752. Its totient is φ = 4207104.

The previous prime is 12657947. The next prime is 12657961. The reversal of 12657948 is 84975621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12657943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3436 + ... + 6092.

It is an arithmetic number, because the mean of its divisors is an integer number (1234198).

Almost surely, 212657948 is an apocalyptic number.

It is an amenable number.

12657948 is an abundant number, since it is smaller than the sum of its proper divisors (16962804).

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

12657948 is a wasteful number, since it uses less digits than its factorization.

12657948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061 (or 3059 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 12657948 is about 3557.8010062397. The cubic root of 12657948 is about 233.0528593685.

The spelling of 12657948 in words is "twelve million, six hundred fifty-seven thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 397 794 1191 1588 2382 2657 4764 5314 7971 10628 15942 31884 1054829 2109658 3164487 4219316 6328974 12657948