13242489 has 16 divisors (see below), whose sum is σ = 19082112. Its totient is φ = 8120448.

The previous prime is 13242443. The next prime is 13242497. The reversal of 13242489 is 98424231.

It is not a de Polignac number, because 13242489 - 2¹³ = 13234297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13242289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17452 + ... + 18194.

It is an arithmetic number, because the mean of its divisors is an integer number (1192632).

Almost surely, 2^13242489 is an apocalyptic number.

It is an amenable number.

13242489 is a deficient number, since it is larger than the sum of its proper divisors (5839623).

13242489 is a wasteful number, since it uses less digits than its factorization.

13242489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its digits is 13824, while the sum is 33.

The square root of 13242489 is about 3639.0230831914. The cubic root of 13242489 is about 236.5864532325.

It can be divided in two parts, 13242 and 489, that added together give a palindrome (13731).

The spelling of 13242489 in words is "thirteen million, two hundred forty-two thousand, four hundred eighty-nine".