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12825503 = 31740459
BaseRepresentation
bin110000111011…
…001110011111
3220010121021122
4300323032133
511240404003
61134521155
7214005065
oct60731637
926117248
1012825503
11726aa99
1243661bb
132870972
1419bc035
1511d5238
hexc3b39f

12825503 has 4 divisors (see below), whose sum is σ = 12866280. Its totient is φ = 12784728.

The previous prime is 12825493. The next prime is 12825517. The reversal of 12825503 is 30552821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30552821 = 132350217.

It is a cyclic number.

It is not a de Polignac number, because 12825503 - 214 = 12809119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19913 + ... + 20546.

It is an arithmetic number, because the mean of its divisors is an integer number (3216570).

Almost surely, 212825503 is an apocalyptic number.

12825503 is a deficient number, since it is larger than the sum of its proper divisors (40777).

12825503 is an equidigital number, since it uses as much as digits as its factorization.

12825503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40776.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 12825503 is about 3581.2711430440. The cubic root of 12825503 is about 234.0766727098.

The spelling of 12825503 in words is "twelve million, eight hundred twenty-five thousand, five hundred three".

Divisors: 1 317 40459 12825503