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12393628 = 2213238339
BaseRepresentation
bin101111010001…
…110010011100
3212022122212021
4233101302130
511133044003
61121345524
7210226012
oct57216234
925278767
1012393628
116aa5575
1241982a4
13274c210
1419088b2
15114c2bd
hexbd1c9c

12393628 has 12 divisors (see below), whose sum is σ = 23357320. Its totient is φ = 5720112.

The previous prime is 12393617. The next prime is 12393649. The reversal of 12393628 is 82639321.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12393593 and 12393602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119118 + ... + 119221.

Almost surely, 212393628 is an apocalyptic number.

It is an amenable number.

12393628 is a deficient number, since it is larger than the sum of its proper divisors (10963692).

12393628 is a wasteful number, since it uses less digits than its factorization.

12393628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238356 (or 238354 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 12393628 is about 3520.4584928671. The cubic root of 12393628 is about 231.4192519890.

The spelling of 12393628 in words is "twelve million, three hundred ninety-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 13 26 52 238339 476678 953356 3098407 6196814 12393628