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12745425 = 3527112207
BaseRepresentation
bin110000100111…
…101011010001
3212222112102210
4300213223101
511230323200
61133102333
7213222450
oct60475321
925875383
1012745425
117215910
1243279a9
132843394
14199ab97
1511bb650
hexc27ad1

12745425 has 48 divisors (see below), whose sum is σ = 26284032. Its totient is φ = 5294400.

The previous prime is 12745399. The next prime is 12745483. The reversal of 12745425 is 52454721.

12745425 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12745425 - 26 = 12745361 is a prime.

12745425 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 12745392 and 12745401.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4672 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (547584).

Almost surely, 212745425 is an apocalyptic number.

12745425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12745425 is an abundant number, since it is smaller than the sum of its proper divisors (13538607).

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

12745425 is a wasteful number, since it uses less digits than its factorization.

12745425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2233 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 12745425 is about 3570.0735286546. The cubic root of 12745425 is about 233.5884907169.

The spelling of 12745425 in words is "twelve million, seven hundred forty-five thousand, four hundred twenty-five".

Divisors: 1 3 5 7 11 15 21 25 33 35 55 75 77 105 165 175 231 275 385 525 825 1155 1925 2207 5775 6621 11035 15449 24277 33105 46347 55175 72831 77245 121385 165525 169939 231735 364155 386225 509817 606925 849695 1158675 1820775 2549085 4248475 12745425