13042438 has 8 divisors (see below), whose sum is σ = 19645560. Its totient is φ = 6493920.

The previous prime is 13042429. The next prime is 13042439. The reversal of 13042438 is 83424031.

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 (13042439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13048 + ... + 14011.

It is an arithmetic number, because the mean of its divisors is an integer number (2455695).

Almost surely, 2^13042438 is an apocalyptic number.

13042438 is a deficient number, since it is larger than the sum of its proper divisors (6603122).

13042438 is a wasteful number, since it uses less digits than its factorization.

13042438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27302.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 13042438 is about 3611.4315721054. The cubic root of 13042438 is about 235.3890522478.

Adding to 13042438 its reverse (83424031), we get a palindrome (96466469).

The spelling of 13042438 in words is "thirteen million, forty-two thousand, four hundred thirty-eight".