13143838 has 8 divisors (see below), whose sum is σ = 19733688. Its totient is φ = 6565944.

The previous prime is 13143827. The next prime is 13143847. The reversal of 13143838 is 83834131.

13143838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (2466711).

Almost surely, 2^13143838 is an apocalyptic number.

13143838 is a deficient number, since it is larger than the sum of its proper divisors (6589850).

13143838 is a wasteful number, since it uses less digits than its factorization.

13143838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978.

The product of its digits is 6912, while the sum is 31.

The square root of 13143838 is about 3625.4431453272. The cubic root of 13143838 is about 235.9974982977.

Adding to 13143838 its reverse (83834131), we get a palindrome (96977969).

The spelling of 13143838 in words is "thirteen million, one hundred forty-three thousand, eight hundred thirty-eight".