13343638 has 24 divisors (see below), whose sum is σ = 25146576. Its totient is φ = 5198160.

The previous prime is 13343621. The next prime is 13343647. The reversal of 13343638 is 83634331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (1047774).

Almost surely, 2^13343638 is an apocalyptic number.

13343638 is a deficient number, since it is larger than the sum of its proper divisors (11802938).

13343638 is a wasteful number, since it uses less digits than its factorization.

13343638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908 (or 7897 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 13343638 is about 3652.8944687740. The cubic root of 13343638 is about 237.1872922353.

Adding to 13343638 its reverse (83634331), we get a palindrome (96977969).

The spelling of 13343638 in words is "thirteen million, three hundred forty-three thousand, six hundred thirty-eight".