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12383825 = 523791307
BaseRepresentation
bin101111001111…
…011001010001
3212022011102012
4233033121101
511132240300
61121232305
7210155306
oct57173121
925264365
1012383825
116a99173
124192695
13274790c
1419050ad
151149435
hexbcf651

12383825 has 12 divisors (see below), whose sum is σ = 15408240. Its totient is φ = 9873360.

The previous prime is 12383779. The next prime is 12383827. The reversal of 12383825 is 52838321.

It is not a de Polignac number, because 12383825 - 220 = 11335249 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12383791 and 12383800.

It is not an unprimeable number, because it can be changed into a prime (12383827) 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, 8822 + ... + 10128.

It is an arithmetic number, because the mean of its divisors is an integer number (1284020).

Almost surely, 212383825 is an apocalyptic number.

It is an amenable number.

12383825 is a deficient number, since it is larger than the sum of its proper divisors (3024415).

12383825 is a wasteful number, since it uses less digits than its factorization.

12383825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1691 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 12383825 is about 3519.0659272028. The cubic root of 12383825 is about 231.3582205911.

The spelling of 12383825 in words is "twelve million, three hundred eighty-three thousand, eight hundred twenty-five".

Divisors: 1 5 25 379 1307 1895 6535 9475 32675 495353 2476765 12383825