12366489 has 16 divisors (see below), whose sum is σ = 17199104. Its totient is φ = 7894800.

The previous prime is 12366467. The next prime is 12366493. The reversal of 12366489 is 98466321.

It is not a de Polignac number, because 12366489 - 2¹¹ = 12364441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12366449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8934 + ... + 10224.

It is an arithmetic number, because the mean of its divisors is an integer number (1074944).

Almost surely, 2^12366489 is an apocalyptic number.

It is an amenable number.

12366489 is a deficient number, since it is larger than the sum of its proper divisors (4832615).

12366489 is a wasteful number, since it uses less digits than its factorization.

12366489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428.

The product of its digits is 62208, while the sum is 39.

The square root of 12366489 is about 3516.6019109362. The cubic root of 12366489 is about 231.2502114437.

It can be divided in two parts, 123664 and 89, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 12366489 in words is "twelve million, three hundred sixty-six thousand, four hundred eighty-nine".