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13425 = 352179
BaseRepresentation
bin11010001110001
3200102020
43101301
5412200
6142053
754066
oct32161
920366
1013425
11a0a5
127929
136159
144c6d
153ea0
hex3471

13425 has 12 divisors (see below), whose sum is σ = 22320. Its totient is φ = 7120.

The previous prime is 13421. The next prime is 13441. The reversal of 13425 is 52431.

13425 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13425 - 22 = 13421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

13425 is strictly pandigital in base 6.

It is not an unprimeable number, because it can be changed into a prime (13421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15 + ... + 164.

It is an arithmetic number, because the mean of its divisors is an integer number (1860).

213425 is an apocalyptic number.

13425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13425 is a deficient number, since it is larger than the sum of its proper divisors (8895).

13425 is a wasteful number, since it uses less digits than its factorization.

13425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 187 counting only the distinct ones).

The product of its digits is 120, while the sum is 15.

The square root of 13425 is about 115.8663022626. The cubic root of 13425 is about 23.7668393965.

Adding to 13425 its reverse (52431), we get a palindrome (65856).

The spelling of 13425 in words is "thirteen thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 179 537 895 2685 4475 13425