13242081 has 8 divisors (see below), whose sum is σ = 17919904. Its totient is φ = 8696160.

The previous prime is 13242079. The next prime is 13242101. The reversal of 13242081 is 18024231.

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

It is not a de Polignac number, because 13242081 - 2¹ = 13242079 is a prime.

It is a super-2 number, since 2×13242081² = 350705418421122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13242001) 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 7 ways as a sum of consecutive naturals, for example, 32740 + ... + 33141.

It is an arithmetic number, because the mean of its divisors is an integer number (2239988).

Almost surely, 2^13242081 is an apocalyptic number.

It is an amenable number.

13242081 is a deficient number, since it is larger than the sum of its proper divisors (4677823).

13242081 is an equidigital number, since it uses as much as digits as its factorization.

13242081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65951.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 13242081 is about 3638.9670237583. The cubic root of 13242081 is about 236.5840234711.

The spelling of 13242081 in words is "thirteen million, two hundred forty-two thousand, eighty-one".