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12616925 = 52504677
BaseRepresentation
bin110000001000…
…010011011101
3212202000011112
4300020103131
511212220200
61130231405
7212146016
oct60102335
925660145
1012616925
117138312
124285565
1327c9a49
14196600d
151193535
hexc084dd

12616925 has 6 divisors (see below), whose sum is σ = 15645018. Its totient is φ = 10093520.

The previous prime is 12616921. The next prime is 12616927. The reversal of 12616925 is 52961621.

It is a happy number.

12616925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3247204 + 9369721 = 1802^2 + 3061^2 .

It is not a de Polignac number, because 12616925 - 22 = 12616921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12616891 and 12616900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252314 + ... + 252363.

It is an arithmetic number, because the mean of its divisors is an integer number (2607503).

Almost surely, 212616925 is an apocalyptic number.

It is an amenable number.

12616925 is a deficient number, since it is larger than the sum of its proper divisors (3028093).

12616925 is an equidigital number, since it uses as much as digits as its factorization.

12616925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504687 (or 504682 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 12616925 is about 3552.0311090980. The cubic root of 12616925 is about 232.8008207735.

The spelling of 12616925 in words is "twelve million, six hundred sixteen thousand, nine hundred twenty-five".

Divisors: 1 5 25 504677 2523385 12616925