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12250125 = 325310889
BaseRepresentation
bin101110101110…
…110000001101
3212001101000100
4232232300031
511114001000
61114321313
7206060436
oct56566015
925041010
1012250125
116a07778
124129239
1326cbac4
1418ac48d
15111ea00
hexbaec0d

12250125 has 24 divisors (see below), whose sum is σ = 22084920. Its totient is φ = 6532800.

The previous prime is 12250097. The next prime is 12250163. The reversal of 12250125 is 52105221.

It can be written as a sum of positive squares in 4 ways, for example, as 2996361 + 9253764 = 1731^2 + 3042^2 .

It is not a de Polignac number, because 12250125 - 26 = 12250061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12250098 and 12250107.

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 23 ways as a sum of consecutive naturals, for example, 4320 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (920205).

Almost surely, 212250125 is an apocalyptic number.

12250125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12250125 is a deficient number, since it is larger than the sum of its proper divisors (9834795).

12250125 is a wasteful number, since it uses less digits than its factorization.

12250125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910 (or 10897 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12250125 is about 3500.0178570973. The cubic root of 12250125 is about 230.5225986881.

Adding to 12250125 its reverse (52105221), we get a palindrome (64355346).

The spelling of 12250125 in words is "twelve million, two hundred fifty thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 10889 32667 54445 98001 163335 272225 490005 816675 1361125 2450025 4083375 12250125