12732989 has 2 divisors, whose sum is σ = 12732990. Its totient is φ = 12732988.

The previous prime is 12732977. The next prime is 12733003. The reversal of 12732989 is 98923721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10956100 + 1776889 = 3310^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 12732989 - 2¹² = 12728893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12732959) 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 as a sum of consecutive naturals, namely, 6366494 + 6366495.

It is an arithmetic number, because the mean of its divisors is an integer number (6366495).

Almost surely, 2^12732989 is an apocalyptic number.

It is an amenable number.

12732989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12732989 is an equidigital number, since it uses as much as digits as its factorization.

12732989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 12732989 is about 3568.3314027708. The cubic root of 12732989 is about 233.5124934662.

The spelling of 12732989 in words is "twelve million, seven hundred thirty-two thousand, nine hundred eighty-nine".