12938 has 4 divisors (see below), whose sum is σ = 19410. Its totient is φ = 6468.

The previous prime is 12923. The next prime is 12941. The reversal of 12938 is 83921.

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., 12769 + 169 = 113^2 + 13^2 .

It is an unprimeable number.

12938 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 as a sum of consecutive naturals, namely, 3233 + ... + 3236.

2¹²⁹³⁸ is an apocalyptic number.

12938 is a deficient number, since it is larger than the sum of its proper divisors (6472).

12938 is an equidigital number, since it uses as much as digits as its factorization.

12938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471.

The product of its digits is 432, while the sum is 23.

The square root of 12938 is about 113.7453295744. The cubic root of 12938 is about 23.4759071019.

The spelling of 12938 in words is "twelve thousand, nine hundred thirty-eight".