13024138 has 4 divisors (see below), whose sum is σ = 19536210. Its totient is φ = 6512068.

The previous prime is 13024133. The next prime is 13024153. The reversal of 13024138 is 83142031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 13689 = 3607^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (13024133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3256033 + ... + 3256036.

Almost surely, 2^13024138 is an apocalyptic number.

13024138 is a deficient number, since it is larger than the sum of its proper divisors (6512072).

13024138 is an equidigital number, since it uses as much as digits as its factorization.

13024138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512071.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 13024138 is about 3608.8970614303. The cubic root of 13024138 is about 235.2789083233.

Adding to 13024138 its reverse (83142031), we get a palindrome (96166169).

The spelling of 13024138 in words is "thirteen million, twenty-four thousand, one hundred thirty-eight".