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13430 = 251779
BaseRepresentation
bin11010001110110
3200102102
43101312
5412210
6142102
754104
oct32166
920372
1013430
11a0aa
127932
136161
144c74
153ea5
hex3476

13430 has 16 divisors (see below), whose sum is σ = 25920. Its totient is φ = 4992.

The previous prime is 13421. The next prime is 13441. The reversal of 13430 is 3431.

Adding to 13430 its reverse (3431), we get a palindrome (16861).

Subtracting from 13430 its reverse (3431), we obtain a palindrome (9999).

13430 is an undulating number in base 13.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 209.

It is an arithmetic number, because the mean of its divisors is an integer number (1620).

213430 is an apocalyptic number.

13430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13430 is a deficient number, since it is larger than the sum of its proper divisors (12490).

13430 is a wasteful number, since it uses less digits than its factorization.

13430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 13430 is about 115.8878768465. The cubic root of 13430 is about 23.7697896000.

The spelling of 13430 in words is "thirteen thousand, four hundred thirty".