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12597020 = 2252937587
BaseRepresentation
bin110000000011…
…011100011100
3212200222212022
4300003130130
511211101040
61125555312
7212034002
oct60033434
925628768
1012597020
117124367
124275b38
1327c0977
14195ca72
15118c6b5
hexc0371c

12597020 has 48 divisors (see below), whose sum is σ = 28153440. Its totient is φ = 4725504.

The previous prime is 12597007. The next prime is 12597029. The reversal of 12597020 is 2079521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12597029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21167 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (586530).

Almost surely, 212597020 is an apocalyptic number.

12597020 is a gapful number since it is divisible by the number (10) 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 12597020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14076720).

12597020 is an abundant number, since it is smaller than the sum of its proper divisors (15556420).

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

12597020 is a wasteful number, since it uses less digits than its factorization.

12597020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 12597020 is about 3549.2280850912. The cubic root of 12597020 is about 232.6783308283.

The spelling of 12597020 in words is "twelve million, five hundred ninety-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 29 37 58 74 116 145 148 185 290 370 580 587 740 1073 1174 2146 2348 2935 4292 5365 5870 10730 11740 17023 21460 21719 34046 43438 68092 85115 86876 108595 170230 217190 340460 434380 629851 1259702 2519404 3149255 6298510 12597020