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13030 = 251303
BaseRepresentation
bin11001011100110
3122212121
43023212
5404110
6140154
752663
oct31346
918777
1013030
119876
12765a
135c14
144a6a
153cda
hex32e6

13030 has 8 divisors (see below), whose sum is σ = 23472. Its totient is φ = 5208.

The previous prime is 13009. The next prime is 13033. The reversal of 13030 is 3031.

Adding to 13030 its reverse (3031), we get a palindrome (16061).

Subtracting from 13030 its reverse (3031), we obtain a palindrome (9999).

It is a happy number.

13030 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033) by changing a digit.

13030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (2934).

213030 is an apocalyptic number.

13030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13030 is a deficient number, since it is larger than the sum of its proper divisors (10442).

13030 is a wasteful number, since it uses less digits than its factorization.

13030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310.

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 13030 is about 114.1490254010. The cubic root of 13030 is about 23.5314201717.

The spelling of 13030 in words is "thirteen thousand, thirty".

Divisors: 1 2 5 10 1303 2606 6515 13030