12898 has 4 divisors (see below), whose sum is σ = 19350. Its totient is φ = 6448.
The previous prime is 12893. The next prime is 12899. The reversal of 12898 is 89821.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 7569 + 5329 = 87^2 + 73^2 .
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 (12893) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3223 + ... + 3226.
212898 is an apocalyptic number.
12898 is a deficient number, since it is larger than the sum of its proper divisors (6452).
12898 is an equidigital number, since it uses as much as digits as its factorization.
12898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6451.
The product of its digits is 1152, while the sum is 28.
The square root of 12898 is about 113.5693620657. The cubic root of 12898 is about 23.4516888899.
It can be divided in two parts, 128 and 98, that multiplied together give a square (12544 = 1122).
The spelling of 12898 in words is "twelve thousand, eight hundred ninety-eight".
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