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12925 = 521147
BaseRepresentation
bin11001001111101
3122201201
43021331
5403200
6135501
752453
oct31175
918651
1012925
119790
127591
135b63
1449d3
153c6a
hex327d

12925 has 12 divisors (see below), whose sum is σ = 17856. Its totient is φ = 9200.

The previous prime is 12923. The next prime is 12941. The reversal of 12925 is 52921.

It is not a de Polignac number, because 12925 - 21 = 12923 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

12925 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923) 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, 252 + ... + 298.

It is an arithmetic number, because the mean of its divisors is an integer number (1488).

212925 is an apocalyptic number.

It is an amenable number.

12925 is a deficient number, since it is larger than the sum of its proper divisors (4931).

12925 is a wasteful number, since it uses less digits than its factorization.

12925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 63 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 12925 is about 113.6881700090. The cubic root of 12925 is about 23.4680416650.

It can be divided in two parts, 1 and 2925, that added together give a triangular number (2926 = T76).

The spelling of 12925 in words is "twelve thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 47 55 235 275 517 1175 2585 12925