13130042 has 8 divisors (see below), whose sum is σ = 20227476. Its totient is φ = 6387552.

The previous prime is 13130027. The next prime is 13130053. The reversal of 13130042 is 24003131.

It can be written as a sum of positive squares in 2 ways, for example, as 12952801 + 177241 = 3599^2 + 421^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13129999 and 13130026.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 88643 + ... + 88790.

Almost surely, 2^13130042 is an apocalyptic number.

13130042 is a deficient number, since it is larger than the sum of its proper divisors (7097434).

13130042 is a wasteful number, since it uses less digits than its factorization.

13130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177472.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13130042 is about 3623.5399818410. The cubic root of 13130042 is about 235.9149003718.

Adding to 13130042 its reverse (24003131), we get a palindrome (37133173).

The spelling of 13130042 in words is "thirteen million, one hundred thirty thousand, forty-two".