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12337020 = 2232568539
BaseRepresentation
bin101111000011…
…111101111100
3212012210012200
4233003331330
511124241040
61120231500
7206601663
oct57037574
925183180
1012337020
116a66a93
12416b590
13272c517
1418d1dda
15113a630
hexbc3f7c

12337020 has 36 divisors (see below), whose sum is σ = 37422840. Its totient is φ = 3289824.

The previous prime is 12337009. The next prime is 12337027. The reversal of 12337020 is 2073321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12336984 and 12337002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12337027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34090 + ... + 34449.

Almost surely, 212337020 is an apocalyptic number.

12337020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12337020 is an abundant number, since it is smaller than the sum of its proper divisors (25085820).

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

12337020 is a wasteful number, since it uses less digits than its factorization.

12337020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68554 (or 68549 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 12337020 is about 3512.4094294373. The cubic root of 12337020 is about 231.0663777312.

The spelling of 12337020 in words is "twelve million, three hundred thirty-seven thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 68539 137078 205617 274156 342695 411234 616851 685390 822468 1028085 1233702 1370780 2056170 2467404 3084255 4112340 6168510 12337020