12982236 has 12 divisors (see below), whose sum is σ = 30291912. Its totient is φ = 4327408.

The previous prime is 12982213. The next prime is 12982243. The reversal of 12982236 is 63228921.

It is a happy number.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12982197 and 12982206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540915 + ... + 540938.

It is an arithmetic number, because the mean of its divisors is an integer number (2524326).

Almost surely, 2^12982236 is an apocalyptic number.

It is an amenable number.

12982236 is an abundant number, since it is smaller than the sum of its proper divisors (17309676).

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

12982236 is a wasteful number, since it uses less digits than its factorization.

12982236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081860 (or 1081858 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 12982236 is about 3603.0870097737. The cubic root of 12982236 is about 235.0263196717.

The spelling of 12982236 in words is "twelve million, nine hundred eighty-two thousand, two hundred thirty-six".