13126042 has 4 divisors (see below), whose sum is σ = 19689066. Its totient is φ = 6563020.

The previous prime is 13126039. The next prime is 13126049. The reversal of 13126042 is 24062131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24062131 = 3917 ⋅6143.

It can be written as a sum of positive squares in only one way, i.e., 12187081 + 938961 = 3491^2 + 969^2 .

It is not an unprimeable number, because it can be changed into a prime (13126049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281509 + ... + 3281512.

Almost surely, 2^13126042 is an apocalyptic number.

13126042 is a deficient number, since it is larger than the sum of its proper divisors (6563024).

13126042 is an equidigital number, since it uses as much as digits as its factorization.

13126042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563023.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13126042 is about 3622.9879933558. The cubic root of 13126042 is about 235.8909411835.

Adding to 13126042 its reverse (24062131), we get a palindrome (37188173).

The spelling of 13126042 in words is "thirteen million, one hundred twenty-six thousand, forty-two".