12932489 has 4 divisors (see below), whose sum is σ = 12939924. Its totient is φ = 12925056.

The previous prime is 12932471. The next prime is 12932527. The reversal of 12932489 is 98423921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98423921 = 797 ⋅123493.

It can be written as a sum of positive squares in 2 ways, for example, as 1776889 + 11155600 = 1333^2 + 3340^2 .

It is a cyclic number.

It is not a de Polignac number, because 12932489 - 2¹² = 12928393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12932429) 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 3 ways as a sum of consecutive naturals, for example, 449 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (3234981).

Almost surely, 2^12932489 is an apocalyptic number.

It is an amenable number.

12932489 is a deficient number, since it is larger than the sum of its proper divisors (7435).

12932489 is an equidigital number, since it uses as much as digits as its factorization.

12932489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434.

The product of its digits is 31104, while the sum is 38.

The square root of 12932489 is about 3596.1769978687. The cubic root of 12932489 is about 234.7257340531.

The spelling of 12932489 in words is "twelve million, nine hundred thirty-two thousand, four hundred eighty-nine".