13336042 has 4 divisors (see below), whose sum is σ = 20004066. Its totient is φ = 6668020.

The previous prime is 13336031. The next prime is 13336049. The reversal of 13336042 is 24063331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24063331 = 3191 ⋅7541.

It can be written as a sum of positive squares in only one way, i.e., 13329801 + 6241 = 3651^2 + 79^2 .

It is not an unprimeable number, because it can be changed into a prime (13336049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3334009 + ... + 3334012.

Almost surely, 2^13336042 is an apocalyptic number.

13336042 is a deficient number, since it is larger than the sum of its proper divisors (6668024).

13336042 is an equidigital number, since it uses as much as digits as its factorization.

13336042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668023.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 13336042 is about 3651.8545973245. The cubic root of 13336042 is about 237.1422766093.

Adding to 13336042 its reverse (24063331), we get a palindrome (37399373).

The spelling of 13336042 in words is "thirteen million, three hundred thirty-six thousand, forty-two".