13242732 has 12 divisors (see below), whose sum is σ = 30899736. Its totient is φ = 4414240.

The previous prime is 13242701. The next prime is 13242769. The reversal of 13242732 is 23724231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551769 + ... + 551792.

It is an arithmetic number, because the mean of its divisors is an integer number (2574978).

Almost surely, 2^13242732 is an apocalyptic number.

13242732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13242732 is an abundant number, since it is smaller than the sum of its proper divisors (17657004).

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

13242732 is a wasteful number, since it uses less digits than its factorization.

13242732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103568 (or 1103566 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 13242732 is about 3639.0564711200. The cubic root of 13242732 is about 236.5879003460.

Adding to 13242732 its reverse (23724231), we get a palindrome (36966963).

The spelling of 13242732 in words is "thirteen million, two hundred forty-two thousand, seven hundred thirty-two".