13404038 has 8 divisors (see below), whose sum is σ = 20126232. Its totient is φ = 6695296.

The previous prime is 13404029. The next prime is 13404047. The reversal of 13404038 is 83040431.

It is an interprime number because it is at equal distance from previous prime (13404029) and next prime (13404047).

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

It is a congruent number.

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, 320 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (2515779).

Almost surely, 2^13404038 is an apocalyptic number.

13404038 is a deficient number, since it is larger than the sum of its proper divisors (6722194).

13404038 is a wasteful number, since it uses less digits than its factorization.

13404038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13404038 is about 3661.1525507687. The cubic root of 13404038 is about 237.5446298400.

Adding to 13404038 its reverse (83040431), we get a palindrome (96444469).

The spelling of 13404038 in words is "thirteen million, four hundred four thousand, thirty-eight".