13425238 has 8 divisors (see below), whose sum is σ = 21013488. Its totient is φ = 6420744.

The previous prime is 13425233. The next prime is 13425239. The reversal of 13425238 is 83252431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425233) 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 in 3 ways as a sum of consecutive naturals, for example, 145881 + ... + 145972.

It is an arithmetic number, because the mean of its divisors is an integer number (2626686).

Almost surely, 2^13425238 is an apocalyptic number.

13425238 is a deficient number, since it is larger than the sum of its proper divisors (7588250).

13425238 is a wasteful number, since it uses less digits than its factorization.

13425238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291878.

The product of its digits is 5760, while the sum is 28.

The square root of 13425238 is about 3664.0466700084. The cubic root of 13425238 is about 237.6697984275.

Adding to 13425238 its reverse (83252431), we get a palindrome (96677669).

The spelling of 13425238 in words is "thirteen million, four hundred twenty-five thousand, two hundred thirty-eight".