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12910 = 251291
BaseRepresentation
bin11001001101110
3122201011
43021232
5403120
6135434
752432
oct31156
918634
1012910
119777
12757a
135b51
1449c2
153c5a
hex326e

12910 has 8 divisors (see below), whose sum is σ = 23256. Its totient is φ = 5160.

The previous prime is 12907. The next prime is 12911. The reversal of 12910 is 1921.

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

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 (12911) 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, 636 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (2907).

212910 is an apocalyptic number.

12910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12910 is a deficient number, since it is larger than the sum of its proper divisors (10346).

12910 is a wasteful number, since it uses less digits than its factorization.

12910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 12910 is about 113.6221809331. The cubic root of 12910 is about 23.4589596046.

The spelling of 12910 in words is "twelve thousand, nine hundred ten".

Divisors: 1 2 5 10 1291 2582 6455 12910