13242445 has 8 divisors (see below), whose sum is σ = 15944544. Its totient is φ = 10558224.

The previous prime is 13242443. The next prime is 13242497. The reversal of 13242445 is 54424231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13242445 - 2¹ = 13242443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (1993068).

Almost surely, 2^13242445 is an apocalyptic number.

It is an amenable number.

13242445 is a deficient number, since it is larger than the sum of its proper divisors (2702099).

13242445 is an equidigital number, since it uses as much as digits as its factorization.

13242445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939.

The product of its digits is 3840, while the sum is 25.

The square root of 13242445 is about 3639.0170376078. The cubic root of 13242445 is about 236.5861912018.

Adding to 13242445 its reverse (54424231), we get a palindrome (67666676).

The spelling of 13242445 in words is "thirteen million, two hundred forty-two thousand, four hundred forty-five".