12396 has 12 divisors (see below), whose sum is σ = 28952. Its totient is φ = 4128.

The previous prime is 12391. The next prime is 12401. The reversal of 12396 is 69321.

It is an interprime number because it is at equal distance from previous prime (12391) and next prime (12401).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12391) 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, 505 + ... + 528.

It is an amenable number.

12396 is an abundant number, since it is smaller than the sum of its proper divisors (16556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14476).

12396 is a wasteful number, since it uses less digits than its factorization.

12396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1038 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 12396 is about 111.3373252777. The cubic root of 12396 is about 23.1434014722.

Adding to 12396 its product of digits (324), we get a triangular number (12720 = T₁₅₉).

The spelling of 12396 in words is "twelve thousand, three hundred ninety-six".