13242018 has 16 divisors (see below), whose sum is σ = 26719776. Its totient is φ = 4374720.

The previous prime is 13242013. The next prime is 13242029. The reversal of 13242018 is 81024231.

It is a junction number, because it is equal to n+sod(n) for n = 13241985 and 13242003.

It is not an unprimeable number, because it can be changed into a prime (13242011) 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, 9088 + ... + 10443.

It is an arithmetic number, because the mean of its divisors is an integer number (1669986).

Almost surely, 2^13242018 is an apocalyptic number.

13242018 is an abundant number, since it is smaller than the sum of its proper divisors (13477758).

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

13242018 is a wasteful number, since it uses less digits than its factorization.

13242018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19649.

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

The square root of 13242018 is about 3638.9583674453. The cubic root of 13242018 is about 236.5836482829.

Adding to 13242018 its reverse (81024231), we get a palindrome (94266249).

The spelling of 13242018 in words is "thirteen million, two hundred forty-two thousand, eighteen".