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13051 = 31421
BaseRepresentation
bin11001011111011
3122220101
43023323
5404201
6140231
753023
oct31373
918811
1013051
119895
127677
135c2c
144a83
153d01
hex32fb

13051 has 4 divisors (see below), whose sum is σ = 13504. Its totient is φ = 12600.

The previous prime is 13049. The next prime is 13063. The reversal of 13051 is 15031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13051 - 21 = 13049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180 + ... + 241.

It is an arithmetic number, because the mean of its divisors is an integer number (3376).

213051 is an apocalyptic number.

13051 is a deficient number, since it is larger than the sum of its proper divisors (453).

13051 is an equidigital number, since it uses as much as digits as its factorization.

13051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 13051 is about 114.2409733852. The cubic root of 13051 is about 23.5440549782.

Subtracting from 13051 its sum of digits (10), we obtain a triangular number (13041 = T161).

Adding to 13051 its reverse (15031), we get a palindrome (28082).

It can be divided in two parts, 130 and 51, that added together give a palindrome (181).

The spelling of 13051 in words is "thirteen thousand, fifty-one".

Divisors: 1 31 421 13051