12989322 has 56 divisors (see below), whose sum is σ = 29904480. Its totient is φ = 4228200.

The previous prime is 12989321. The next prime is 12989323. The reversal of 12989322 is 22398921.

It is an interprime number because it is at equal distance from previous prime (12989321) and next prime (12989323).

It is not an unprimeable number, because it can be changed into a prime (12989321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 85947 + ... + 86097.

Almost surely, 2^12989322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12989322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14952240).

12989322 is an abundant number, since it is smaller than the sum of its proper divisors (16915158).

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

12989322 is an equidigital number, since it uses as much as digits as its factorization.

12989322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 215 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12989322 is about 3604.0701990944. The cubic root of 12989322 is about 235.0690727996.

The spelling of 12989322 in words is "twelve million, nine hundred eighty-nine thousand, three hundred twenty-two".